Home / 358,728,140.30-538,092,210.45-271,996,969.10

Finding the Fourth Proportional to 358,728,140.30, 538,092,210.45 and 271,996,969.10

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Solution

The fourth proportional to 358,728,140.30, 538,092,210.45 and 271,996,969.10 is: 407,995,453.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,728,140.30 : 538,092,210.45 = 271,996,969.10 : x
  2. Step 2: Convert to fraction form
    358,728,140.30/538,092,210.45 = 271,996,969.10/x
  3. Step 3: Cross multiply
    358,728,140.30x = 538,092,210.45 × 271,996,969.10
  4. Step 4: Simplify right side
    358,728,140.30x = 146,359,450,338,719,360
  5. Step 5: Solve for x
    x = 146,359,450,338,719,360/358,728,140.30
  6. Step 6: Final answer
    x = 407,995,453.65

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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.