Home / 551,123,999.60-826,685,999.40-308,755,410.80

Finding the Fourth Proportional to 551,123,999.60, 826,685,999.40 and 308,755,410.80

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Solution

The fourth proportional to 551,123,999.60, 826,685,999.40 and 308,755,410.80 is: 463,133,116.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,123,999.60 : 826,685,999.40 = 308,755,410.80 : x
  2. Step 2: Convert to fraction form
    551,123,999.60/826,685,999.40 = 308,755,410.80/x
  3. Step 3: Cross multiply
    551,123,999.60x = 826,685,999.40 × 308,755,410.80
  4. Step 4: Simplify right side
    551,123,999.60x = 255,243,775,347,355,552
  5. Step 5: Solve for x
    x = 255,243,775,347,355,552/551,123,999.60
  6. Step 6: Final answer
    x = 463,133,116.20

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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.