Home / 977,087,763.30-1,465,631,644.95-432,892,179.30

Finding the Fourth Proportional to 977,087,763.30, 1,465,631,644.95 and 432,892,179.30

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Solution

The fourth proportional to 977,087,763.30, 1,465,631,644.95 and 432,892,179.30 is: 649,338,268.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,087,763.30 : 1,465,631,644.95 = 432,892,179.30 : x
  2. Step 2: Convert to fraction form
    977,087,763.30/1,465,631,644.95 = 432,892,179.30/x
  3. Step 3: Cross multiply
    977,087,763.30x = 1,465,631,644.95 × 432,892,179.30
  4. Step 4: Simplify right side
    977,087,763.30x = 634,460,476,833,449,344
  5. Step 5: Solve for x
    x = 634,460,476,833,449,344/977,087,763.30
  6. Step 6: Final answer
    x = 649,338,268.95

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Double scale
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Similar ratio
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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.