Home / 668,740,079.10-1,003,110,118.65-625,693,358.10

Finding the Fourth Proportional to 668,740,079.10, 1,003,110,118.65 and 625,693,358.10

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Solution

The fourth proportional to 668,740,079.10, 1,003,110,118.65 and 625,693,358.10 is: 938,540,037.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,740,079.10 : 1,003,110,118.65 = 625,693,358.10 : x
  2. Step 2: Convert to fraction form
    668,740,079.10/1,003,110,118.65 = 625,693,358.10/x
  3. Step 3: Cross multiply
    668,740,079.10x = 1,003,110,118.65 × 625,693,358.10
  4. Step 4: Simplify right side
    668,740,079.10x = 627,639,338,682,208,000
  5. Step 5: Solve for x
    x = 627,639,338,682,208,000/668,740,079.10
  6. Step 6: Final answer
    x = 938,540,037.15

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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.