Home / 751,748,131.29-1,037,419,500.66-421,730,356.17

Finding the Fourth Proportional to 751,748,131.29, 1,037,419,500.66 and 421,730,356.17

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Solution

The fourth proportional to 751,748,131.29, 1,037,419,500.66 and 421,730,356.17 is: 581,991,863.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,748,131.29 : 1,037,419,500.66 = 421,730,356.17 : x
  2. Step 2: Convert to fraction form
    751,748,131.29/1,037,419,500.66 = 421,730,356.17/x
  3. Step 3: Cross multiply
    751,748,131.29x = 1,037,419,500.66 × 421,730,356.17
  4. Step 4: Simplify right side
    751,748,131.29x = 437,511,295,511,045,376
  5. Step 5: Solve for x
    x = 437,511,295,511,045,376/751,748,131.29
  6. Step 6: Final answer
    x = 581,991,863.10

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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.