Home / 551,326,512.80-826,989,769.20-356,181,377.60

Finding the Fourth Proportional to 551,326,512.80, 826,989,769.20 and 356,181,377.60

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Solution

The fourth proportional to 551,326,512.80, 826,989,769.20 and 356,181,377.60 is: 534,272,066.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,326,512.80 : 826,989,769.20 = 356,181,377.60 : x
  2. Step 2: Convert to fraction form
    551,326,512.80/826,989,769.20 = 356,181,377.60/x
  3. Step 3: Cross multiply
    551,326,512.80x = 826,989,769.20 × 356,181,377.60
  4. Step 4: Simplify right side
    551,326,512.80x = 294,558,355,254,762,112
  5. Step 5: Solve for x
    x = 294,558,355,254,762,112/551,326,512.80
  6. Step 6: Final answer
    x = 534,272,066.40

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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.