Home / 862,676,609.88-1,190,547,072.34-475,992,149.92

Finding the Fourth Proportional to 862,676,609.88, 1,190,547,072.34 and 475,992,149.92

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Solution

The fourth proportional to 862,676,609.88, 1,190,547,072.34 and 475,992,149.92 is: 656,898,603.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,676,609.88 : 1,190,547,072.34 = 475,992,149.92 : x
  2. Step 2: Convert to fraction form
    862,676,609.88/1,190,547,072.34 = 475,992,149.92/x
  3. Step 3: Cross multiply
    862,676,609.88x = 1,190,547,072.34 × 475,992,149.92
  4. Step 4: Simplify right side
    862,676,609.88x = 566,691,060,542,577,600
  5. Step 5: Solve for x
    x = 566,691,060,542,577,600/862,676,609.88
  6. Step 6: Final answer
    x = 656,898,603.78

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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.