Home / 408,251,963.70-612,457,661.70-162,566,789.40

Finding the Fourth Proportional to 408,251,963.70, 612,457,661.70 and 162,566,789.40

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Solution

The fourth proportional to 408,251,963.70, 612,457,661.70 and 162,566,789.40 is: 243,881,927.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,251,963.70 : 612,457,661.70 = 162,566,789.40 : x
  2. Step 2: Convert to fraction form
    408,251,963.70/612,457,661.70 = 162,566,789.40/x
  3. Step 3: Cross multiply
    408,251,963.70x = 612,457,661.70 × 162,566,789.40
  4. Step 4: Simplify right side
    408,251,963.70x = 99,565,275,706,000,352
  5. Step 5: Solve for x
    x = 99,565,275,706,000,352/408,251,963.70
  6. Step 6: Final answer
    x = 243,881,927.24

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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.