Home / 408,672,001.80-613,008,002.70-193,681,153.80

Finding the Fourth Proportional to 408,672,001.80, 613,008,002.70 and 193,681,153.80

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Solution

The fourth proportional to 408,672,001.80, 613,008,002.70 and 193,681,153.80 is: 290,521,730.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,672,001.80 : 613,008,002.70 = 193,681,153.80 : x
  2. Step 2: Convert to fraction form
    408,672,001.80/613,008,002.70 = 193,681,153.80/x
  3. Step 3: Cross multiply
    408,672,001.80x = 613,008,002.70 × 193,681,153.80
  4. Step 4: Simplify right side
    408,672,001.80x = 118,728,097,251,569,536
  5. Step 5: Solve for x
    x = 118,728,097,251,569,536/408,672,001.80
  6. Step 6: Final answer
    x = 290,521,730.70

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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.