Home / 661,609,186.60-992,413,779.90-629,864,444.20

Finding the Fourth Proportional to 661,609,186.60, 992,413,779.90 and 629,864,444.20

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Solution

The fourth proportional to 661,609,186.60, 992,413,779.90 and 629,864,444.20 is: 944,796,666.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,609,186.60 : 992,413,779.90 = 629,864,444.20 : x
  2. Step 2: Convert to fraction form
    661,609,186.60/992,413,779.90 = 629,864,444.20/x
  3. Step 3: Cross multiply
    661,609,186.60x = 992,413,779.90 × 629,864,444.20
  4. Step 4: Simplify right side
    661,609,186.60x = 625,086,153,893,134,720
  5. Step 5: Solve for x
    x = 625,086,153,893,134,720/661,609,186.60
  6. Step 6: Final answer
    x = 944,796,666.30

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Double scale
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Similar ratio
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1.5x scale

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.