Home / 808,514,697.60-1,212,772,046.40-747,292,694.40

Finding the Fourth Proportional to 808,514,697.60, 1,212,772,046.40 and 747,292,694.40

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Solution

The fourth proportional to 808,514,697.60, 1,212,772,046.40 and 747,292,694.40 is: 1,120,939,041.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,514,697.60 : 1,212,772,046.40 = 747,292,694.40 : x
  2. Step 2: Convert to fraction form
    808,514,697.60/1,212,772,046.40 = 747,292,694.40/x
  3. Step 3: Cross multiply
    808,514,697.60x = 1,212,772,046.40 × 747,292,694.40
  4. Step 4: Simplify right side
    808,514,697.60x = 906,295,690,247,257,856
  5. Step 5: Solve for x
    x = 906,295,690,247,257,856/808,514,697.60
  6. Step 6: Final answer
    x = 1,120,939,041.60

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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.