Home / 668,740,098.60-1,003,110,147.90-625,693,377.60

Finding the Fourth Proportional to 668,740,098.60, 1,003,110,147.90 and 625,693,377.60

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Solution

The fourth proportional to 668,740,098.60, 1,003,110,147.90 and 625,693,377.60 is: 938,540,066.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,740,098.60 : 1,003,110,147.90 = 625,693,377.60 : x
  2. Step 2: Convert to fraction form
    668,740,098.60/1,003,110,147.90 = 625,693,377.60/x
  3. Step 3: Cross multiply
    668,740,098.60x = 1,003,110,147.90 × 625,693,377.60
  4. Step 4: Simplify right side
    668,740,098.60x = 627,639,376,544,386,560
  5. Step 5: Solve for x
    x = 627,639,376,544,386,560/668,740,098.60
  6. Step 6: Final answer
    x = 938,540,066.40

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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.