Home / 385,604,925.60-532,134,190.80-211,764,669.60

Finding the Fourth Proportional to 385,604,925.60, 532,134,190.80 and 211,764,669.60

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Solution

The fourth proportional to 385,604,925.60, 532,134,190.80 and 211,764,669.60 is: 292,234,910.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,604,925.60 : 532,134,190.80 = 211,764,669.60 : x
  2. Step 2: Convert to fraction form
    385,604,925.60/532,134,190.80 = 211,764,669.60/x
  3. Step 3: Cross multiply
    385,604,925.60x = 532,134,190.80 × 211,764,669.60
  4. Step 4: Simplify right side
    385,604,925.60x = 112,687,221,097,625,360
  5. Step 5: Solve for x
    x = 112,687,221,097,625,360/385,604,925.60
  6. Step 6: Final answer
    x = 292,234,910.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.