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Finding the Fourth Proportional to 321,794,263.60, 482,943,337.80 and 149,292,451.60

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Solution

The fourth proportional to 321,794,263.60, 482,943,337.80 and 149,292,451.60 is: 224,055,562.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,794,263.60 : 482,943,337.80 = 149,292,451.60 : x
  2. Step 2: Convert to fraction form
    321,794,263.60/482,943,337.80 = 149,292,451.60/x
  3. Step 3: Cross multiply
    321,794,263.60x = 482,943,337.80 × 149,292,451.60
  4. Step 4: Simplify right side
    321,794,263.60x = 72,099,794,884,048,944
  5. Step 5: Solve for x
    x = 72,099,794,884,048,944/321,794,263.60
  6. Step 6: Final answer
    x = 224,055,562.95

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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.