Home / 724,102,756.14-999,367,099.68-406,598,645.10

Finding the Fourth Proportional to 724,102,756.14, 999,367,099.68 and 406,598,645.10

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Solution

The fourth proportional to 724,102,756.14, 999,367,099.68 and 406,598,645.10 is: 561,165,256.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,102,756.14 : 999,367,099.68 = 406,598,645.10 : x
  2. Step 2: Convert to fraction form
    724,102,756.14/999,367,099.68 = 406,598,645.10/x
  3. Step 3: Cross multiply
    724,102,756.14x = 999,367,099.68 × 406,598,645.10
  4. Step 4: Simplify right side
    724,102,756.14x = 406,341,308,687,404,672
  5. Step 5: Solve for x
    x = 406,341,308,687,404,672/724,102,756.14
  6. Step 6: Final answer
    x = 561,165,256.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.