Home / 355,120,705.20-532,681,057.80-291,347,785.20

Finding the Fourth Proportional to 355,120,705.20, 532,681,057.80 and 291,347,785.20

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Solution

The fourth proportional to 355,120,705.20, 532,681,057.80 and 291,347,785.20 is: 437,021,677.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,120,705.20 : 532,681,057.80 = 291,347,785.20 : x
  2. Step 2: Convert to fraction form
    355,120,705.20/532,681,057.80 = 291,347,785.20/x
  3. Step 3: Cross multiply
    355,120,705.20x = 532,681,057.80 × 291,347,785.20
  4. Step 4: Simplify right side
    355,120,705.20x = 155,195,446,408,023,168
  5. Step 5: Solve for x
    x = 155,195,446,408,023,168/355,120,705.20
  6. Step 6: Final answer
    x = 437,021,677.80

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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.