Home / 1,347,194,001.70-2,020,791,002.55-766,718,712.10

Finding the Fourth Proportional to 1,347,194,001.70, 2,020,791,002.55 and 766,718,712.10

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Solution

The fourth proportional to 1,347,194,001.70, 2,020,791,002.55 and 766,718,712.10 is: 1,150,078,068.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,194,001.70 : 2,020,791,002.55 = 766,718,712.10 : x
  2. Step 2: Convert to fraction form
    1,347,194,001.70/2,020,791,002.55 = 766,718,712.10/x
  3. Step 3: Cross multiply
    1,347,194,001.70x = 2,020,791,002.55 × 766,718,712.10
  4. Step 4: Simplify right side
    1,347,194,001.70x = 1,549,378,274,898,403,840
  5. Step 5: Solve for x
    x = 1,549,378,274,898,403,840/1,347,194,001.70
  6. Step 6: Final answer
    x = 1,150,078,068.15

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Double scale
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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.