Home / 768,568,834.62-1,059,832,285.20-657,427,615.92

Finding the Fourth Proportional to 768,568,834.62, 1,059,832,285.20 and 657,427,615.92

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Solution

The fourth proportional to 768,568,834.62, 1,059,832,285.20 and 657,427,615.92 is: 906,572,035.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,568,834.62 : 1,059,832,285.20 = 657,427,615.92 : x
  2. Step 2: Convert to fraction form
    768,568,834.62/1,059,832,285.20 = 657,427,615.92/x
  3. Step 3: Cross multiply
    768,568,834.62x = 1,059,832,285.20 × 657,427,615.92
  4. Step 4: Simplify right side
    768,568,834.62x = 696,763,012,534,081,536
  5. Step 5: Solve for x
    x = 696,763,012,534,081,536/768,568,834.62
  6. Step 6: Final answer
    x = 906,572,035.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.