Home / 708,636,039.20-1,062,954,058.80-417,204,000.80

Finding the Fourth Proportional to 708,636,039.20, 1,062,954,058.80 and 417,204,000.80

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Solution

The fourth proportional to 708,636,039.20, 1,062,954,058.80 and 417,204,000.80 is: 625,806,001.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,636,039.20 : 1,062,954,058.80 = 417,204,000.80 : x
  2. Step 2: Convert to fraction form
    708,636,039.20/1,062,954,058.80 = 417,204,000.80/x
  3. Step 3: Cross multiply
    708,636,039.20x = 1,062,954,058.80 × 417,204,000.80
  4. Step 4: Simplify right side
    708,636,039.20x = 443,468,685,997,958,464
  5. Step 5: Solve for x
    x = 443,468,685,997,958,464/708,636,039.20
  6. Step 6: Final answer
    x = 625,806,001.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.