Home / 661,609,128.10-992,413,692.15-629,864,385.70

Finding the Fourth Proportional to 661,609,128.10, 992,413,692.15 and 629,864,385.70

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Solution

The fourth proportional to 661,609,128.10, 992,413,692.15 and 629,864,385.70 is: 944,796,578.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,609,128.10 : 992,413,692.15 = 629,864,385.70 : x
  2. Step 2: Convert to fraction form
    661,609,128.10/992,413,692.15 = 629,864,385.70/x
  3. Step 3: Cross multiply
    661,609,128.10x = 992,413,692.15 × 629,864,385.70
  4. Step 4: Simplify right side
    661,609,128.10x = 625,086,040,566,328,704
  5. Step 5: Solve for x
    x = 625,086,040,566,328,704/661,609,128.10
  6. Step 6: Final answer
    x = 944,796,578.55

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Double scale
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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.