Home / 358,728,209.80-538,092,314.70-271,997,038.60

Finding the Fourth Proportional to 358,728,209.80, 538,092,314.70 and 271,997,038.60

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Solution

The fourth proportional to 358,728,209.80, 538,092,314.70 and 271,997,038.60 is: 407,995,557.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,728,209.80 : 538,092,314.70 = 271,997,038.60 : x
  2. Step 2: Convert to fraction form
    358,728,209.80/538,092,314.70 = 271,997,038.60/x
  3. Step 3: Cross multiply
    358,728,209.80x = 538,092,314.70 × 271,997,038.60
  4. Step 4: Simplify right side
    358,728,209.80x = 146,359,516,091,819,264
  5. Step 5: Solve for x
    x = 146,359,516,091,819,264/358,728,209.80
  6. Step 6: Final answer
    x = 407,995,557.90

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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.