Home / 1,488,708,996.12-2,233,306,062.60-439,553,255.10

Finding the Fourth Proportional to 1,488,708,996.12, 2,233,306,062.60 and 439,553,255.10

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Solution

The fourth proportional to 1,488,708,996.12, 2,233,306,062.60 and 439,553,255.10 is: 659,401,502.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,488,708,996.12 : 2,233,306,062.60 = 439,553,255.10 : x
  2. Step 2: Convert to fraction form
    1,488,708,996.12/2,233,306,062.60 = 439,553,255.10/x
  3. Step 3: Cross multiply
    1,488,708,996.12x = 2,233,306,062.60 × 439,553,255.10
  4. Step 4: Simplify right side
    1,488,708,996.12x = 981,656,949,450,394,368
  5. Step 5: Solve for x
    x = 981,656,949,450,394,368/1,488,708,996.12
  6. Step 6: Final answer
    x = 659,401,502.92

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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.