Home / 358,728,148.80-538,092,223.20-271,996,977.60

Finding the Fourth Proportional to 358,728,148.80, 538,092,223.20 and 271,996,977.60

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Solution

The fourth proportional to 358,728,148.80, 538,092,223.20 and 271,996,977.60 is: 407,995,466.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,728,148.80 : 538,092,223.20 = 271,996,977.60 : x
  2. Step 2: Convert to fraction form
    358,728,148.80/538,092,223.20 = 271,996,977.60/x
  3. Step 3: Cross multiply
    358,728,148.80x = 538,092,223.20 × 271,996,977.60
  4. Step 4: Simplify right side
    358,728,148.80x = 146,359,458,380,464,640
  5. Step 5: Solve for x
    x = 146,359,458,380,464,640/358,728,148.80
  6. Step 6: Final answer
    x = 407,995,466.40

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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.