Home / 928,398,680,421.20-1,393,234,139,841.20-324,023,885,710.24

Finding the Fourth Proportional to 928,398,680,421.20, 1,393,234,139,841.20 and 324,023,885,710.24

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Solution

The fourth proportional to 928,398,680,421.20, 1,393,234,139,841.20 and 324,023,885,710.24 is: 486,257,842,902.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,398,680,421.20 : 1,393,234,139,841.20 = 324,023,885,710.24 : x
  2. Step 2: Convert to fraction form
    928,398,680,421.20/1,393,234,139,841.20 = 324,023,885,710.24/x
  3. Step 3: Cross multiply
    928,398,680,421.20x = 1,393,234,139,841.20 × 324,023,885,710.24
  4. Step 4: Simplify right side
    928,398,680,421.20x = 451,441,139,695,509,506,621,440
  5. Step 5: Solve for x
    x = 451,441,139,695,509,506,621,440/928,398,680,421.20
  6. Step 6: Final answer
    x = 486,257,842,902.90

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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.