Home / 358,728,152.80-538,092,229.20-271,996,981.60

Finding the Fourth Proportional to 358,728,152.80, 538,092,229.20 and 271,996,981.60

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Solution

The fourth proportional to 358,728,152.80, 538,092,229.20 and 271,996,981.60 is: 407,995,472.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,728,152.80 : 538,092,229.20 = 271,996,981.60 : x
  2. Step 2: Convert to fraction form
    358,728,152.80/538,092,229.20 = 271,996,981.60/x
  3. Step 3: Cross multiply
    358,728,152.80x = 538,092,229.20 × 271,996,981.60
  4. Step 4: Simplify right side
    358,728,152.80x = 146,359,462,164,815,424
  5. Step 5: Solve for x
    x = 146,359,462,164,815,424/358,728,152.80
  6. Step 6: Final answer
    x = 407,995,472.40

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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.