Home / 385,604,928.60-532,134,194.94-211,764,672.60

Finding the Fourth Proportional to 385,604,928.60, 532,134,194.94 and 211,764,672.60

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Solution

The fourth proportional to 385,604,928.60, 532,134,194.94 and 211,764,672.60 is: 292,234,915.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,604,928.60 : 532,134,194.94 = 211,764,672.60 : x
  2. Step 2: Convert to fraction form
    385,604,928.60/532,134,194.94 = 211,764,672.60/x
  3. Step 3: Cross multiply
    385,604,928.60x = 532,134,194.94 × 211,764,672.60
  4. Step 4: Simplify right side
    385,604,928.60x = 112,687,223,570,733,680
  5. Step 5: Solve for x
    x = 112,687,223,570,733,680/385,604,928.60
  6. Step 6: Final answer
    x = 292,234,915.10

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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.