Home / 457,544,906.40-686,317,359.60-146,651,921.40

Finding the Fourth Proportional to 457,544,906.40, 686,317,359.60 and 146,651,921.40

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Solution

The fourth proportional to 457,544,906.40, 686,317,359.60 and 146,651,921.40 is: 219,977,882.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,544,906.40 : 686,317,359.60 = 146,651,921.40 : x
  2. Step 2: Convert to fraction form
    457,544,906.40/686,317,359.60 = 146,651,921.40/x
  3. Step 3: Cross multiply
    457,544,906.40x = 686,317,359.60 × 146,651,921.40
  4. Step 4: Simplify right side
    457,544,906.40x = 100,649,759,475,514,736
  5. Step 5: Solve for x
    x = 100,649,759,475,514,736/457,544,906.40
  6. Step 6: Final answer
    x = 219,977,882.10

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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.