Home / 749,403,769.20-1,034,285,375.70-431,803,187.16

Finding the Fourth Proportional to 749,403,769.20, 1,034,285,375.70 and 431,803,187.16

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Solution

The fourth proportional to 749,403,769.20, 1,034,285,375.70 and 431,803,187.16 is: 595,950,727.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,403,769.20 : 1,034,285,375.70 = 431,803,187.16 : x
  2. Step 2: Convert to fraction form
    749,403,769.20/1,034,285,375.70 = 431,803,187.16/x
  3. Step 3: Cross multiply
    749,403,769.20x = 1,034,285,375.70 × 431,803,187.16
  4. Step 4: Simplify right side
    749,403,769.20x = 446,607,721,660,238,080
  5. Step 5: Solve for x
    x = 446,607,721,660,238,080/749,403,769.20
  6. Step 6: Final answer
    x = 595,950,727.79

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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.