Home / 747,112,229.74-1,121,348,400.54-397,651,685.62

Finding the Fourth Proportional to 747,112,229.74, 1,121,348,400.54 and 397,651,685.62

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Solution

The fourth proportional to 747,112,229.74, 1,121,348,400.54 and 397,651,685.62 is: 596,839,489.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,112,229.74 : 1,121,348,400.54 = 397,651,685.62 : x
  2. Step 2: Convert to fraction form
    747,112,229.74/1,121,348,400.54 = 397,651,685.62/x
  3. Step 3: Cross multiply
    747,112,229.74x = 1,121,348,400.54 × 397,651,685.62
  4. Step 4: Simplify right side
    747,112,229.74x = 445,906,081,642,021,888
  5. Step 5: Solve for x
    x = 445,906,081,642,021,888/747,112,229.74
  6. Step 6: Final answer
    x = 596,839,489.29

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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.