Home / 653,235,334.80-979,853,002.20-435,557,101.20

Finding the Fourth Proportional to 653,235,334.80, 979,853,002.20 and 435,557,101.20

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Solution

The fourth proportional to 653,235,334.80, 979,853,002.20 and 435,557,101.20 is: 653,335,651.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,235,334.80 : 979,853,002.20 = 435,557,101.20 : x
  2. Step 2: Convert to fraction form
    653,235,334.80/979,853,002.20 = 435,557,101.20/x
  3. Step 3: Cross multiply
    653,235,334.80x = 979,853,002.20 × 435,557,101.20
  4. Step 4: Simplify right side
    653,235,334.80x = 426,781,933,240,349,248
  5. Step 5: Solve for x
    x = 426,781,933,240,349,248/653,235,334.80
  6. Step 6: Final answer
    x = 653,335,651.80

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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.