Home / 1,272,296,743.40-1,908,445,115.10-1,030,432,039.40

Finding the Fourth Proportional to 1,272,296,743.40, 1,908,445,115.10 and 1,030,432,039.40

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Solution

The fourth proportional to 1,272,296,743.40, 1,908,445,115.10 and 1,030,432,039.40 is: 1,545,648,059.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,296,743.40 : 1,908,445,115.10 = 1,030,432,039.40 : x
  2. Step 2: Convert to fraction form
    1,272,296,743.40/1,908,445,115.10 = 1,030,432,039.40/x
  3. Step 3: Cross multiply
    1,272,296,743.40x = 1,908,445,115.10 × 1,030,432,039.40
  4. Step 4: Simplify right side
    1,272,296,743.40x = 1,966,522,992,035,460,608
  5. Step 5: Solve for x
    x = 1,966,522,992,035,460,608/1,272,296,743.40
  6. Step 6: Final answer
    x = 1,545,648,059.10

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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.