Home / 358,728,143.30-538,092,214.95-271,996,972.10

Finding the Fourth Proportional to 358,728,143.30, 538,092,214.95 and 271,996,972.10

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Solution

The fourth proportional to 358,728,143.30, 538,092,214.95 and 271,996,972.10 is: 407,995,458.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,728,143.30 : 538,092,214.95 = 271,996,972.10 : x
  2. Step 2: Convert to fraction form
    358,728,143.30/538,092,214.95 = 271,996,972.10/x
  3. Step 3: Cross multiply
    358,728,143.30x = 538,092,214.95 × 271,996,972.10
  4. Step 4: Simplify right side
    358,728,143.30x = 146,359,453,176,982,368
  5. Step 5: Solve for x
    x = 146,359,453,176,982,368/358,728,143.30
  6. Step 6: Final answer
    x = 407,995,458.15

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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.