Home / 408,675,005.28-612,648,043.92-149,829,908.40

Finding the Fourth Proportional to 408,675,005.28, 612,648,043.92 and 149,829,908.40

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Solution

The fourth proportional to 408,675,005.28, 612,648,043.92 and 149,829,908.40 is: 224,611,241.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,675,005.28 : 612,648,043.92 = 149,829,908.40 : x
  2. Step 2: Convert to fraction form
    408,675,005.28/612,648,043.92 = 149,829,908.40/x
  3. Step 3: Cross multiply
    408,675,005.28x = 612,648,043.92 × 149,829,908.40
  4. Step 4: Simplify right side
    408,675,005.28x = 91,793,000,301,972,768
  5. Step 5: Solve for x
    x = 91,793,000,301,972,768/408,675,005.28
  6. Step 6: Final answer
    x = 224,611,241.49

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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.