Home / 399,429,931.24-598,068,076.38-260,912,483.56

Finding the Fourth Proportional to 399,429,931.24, 598,068,076.38 and 260,912,483.56

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Solution

The fourth proportional to 399,429,931.24, 598,068,076.38 and 260,912,483.56 is: 390,665,333.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,429,931.24 : 598,068,076.38 = 260,912,483.56 : x
  2. Step 2: Convert to fraction form
    399,429,931.24/598,068,076.38 = 260,912,483.56/x
  3. Step 3: Cross multiply
    399,429,931.24x = 598,068,076.38 × 260,912,483.56
  4. Step 4: Simplify right side
    399,429,931.24x = 156,043,427,146,257,568
  5. Step 5: Solve for x
    x = 156,043,427,146,257,568/399,429,931.24
  6. Step 6: Final answer
    x = 390,665,333.12

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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.