Home / 1,299,908,101,084.50-1,949,539,938,090.60-439,363,139,144.65

Finding the Fourth Proportional to 1,299,908,101,084.50, 1,949,539,938,090.60 and 439,363,139,144.65

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Solution

The fourth proportional to 1,299,908,101,084.50, 1,949,539,938,090.60 and 439,363,139,144.65 is: 658,935,801,979.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,908,101,084.50 : 1,949,539,938,090.60 = 439,363,139,144.65 : x
  2. Step 2: Convert to fraction form
    1,299,908,101,084.50/1,949,539,938,090.60 = 439,363,139,144.65/x
  3. Step 3: Cross multiply
    1,299,908,101,084.50x = 1,949,539,938,090.60 × 439,363,139,144.65
  4. Step 4: Simplify right side
    1,299,908,101,084.50x = 856,555,987,087,352,687,230,976
  5. Step 5: Solve for x
    x = 856,555,987,087,352,687,230,976/1,299,908,101,084.50
  6. Step 6: Final answer
    x = 658,935,801,979.18

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Double scale
Find fourth proportional to 1,299,908,101,085.50, 1,949,539,938,092.10 and 439,363,139,145.65
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.