Home / 385,604,927.60-532,134,193.56-211,764,671.60

Finding the Fourth Proportional to 385,604,927.60, 532,134,193.56 and 211,764,671.60

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Solution

The fourth proportional to 385,604,927.60, 532,134,193.56 and 211,764,671.60 is: 292,234,913.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,604,927.60 : 532,134,193.56 = 211,764,671.60 : x
  2. Step 2: Convert to fraction form
    385,604,927.60/532,134,193.56 = 211,764,671.60/x
  3. Step 3: Cross multiply
    385,604,927.60x = 532,134,193.56 × 211,764,671.60
  4. Step 4: Simplify right side
    385,604,927.60x = 112,687,222,746,364,240
  5. Step 5: Solve for x
    x = 112,687,222,746,364,240/385,604,927.60
  6. Step 6: Final answer
    x = 292,234,913.72

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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.