Home / 442,869,108.80-664,303,663.20-417,359,940.80

Finding the Fourth Proportional to 442,869,108.80, 664,303,663.20 and 417,359,940.80

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Solution

The fourth proportional to 442,869,108.80, 664,303,663.20 and 417,359,940.80 is: 626,039,911.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,869,108.80 : 664,303,663.20 = 417,359,940.80 : x
  2. Step 2: Convert to fraction form
    442,869,108.80/664,303,663.20 = 417,359,940.80/x
  3. Step 3: Cross multiply
    442,869,108.80x = 664,303,663.20 × 417,359,940.80
  4. Step 4: Simplify right side
    442,869,108.80x = 277,253,737,546,375,168
  5. Step 5: Solve for x
    x = 277,253,737,546,375,168/442,869,108.80
  6. Step 6: Final answer
    x = 626,039,911.20

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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.