Home / 691,508,988.06-954,285,278.65-373,969,233.96

Finding the Fourth Proportional to 691,508,988.06, 954,285,278.65 and 373,969,233.96

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Solution

The fourth proportional to 691,508,988.06, 954,285,278.65 and 373,969,233.96 is: 516,079,097.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,508,988.06 : 954,285,278.65 = 373,969,233.96 : x
  2. Step 2: Convert to fraction form
    691,508,988.06/954,285,278.65 = 373,969,233.96/x
  3. Step 3: Cross multiply
    691,508,988.06x = 954,285,278.65 × 373,969,233.96
  4. Step 4: Simplify right side
    691,508,988.06x = 356,873,334,636,045,632
  5. Step 5: Solve for x
    x = 356,873,334,636,045,632/691,508,988.06
  6. Step 6: Final answer
    x = 516,079,097.74

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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.