Home / 551,182,646.40-826,773,969.60-187,677,002.40

Finding the Fourth Proportional to 551,182,646.40, 826,773,969.60 and 187,677,002.40

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Solution

The fourth proportional to 551,182,646.40, 826,773,969.60 and 187,677,002.40 is: 281,515,503.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,182,646.40 : 826,773,969.60 = 187,677,002.40 : x
  2. Step 2: Convert to fraction form
    551,182,646.40/826,773,969.60 = 187,677,002.40/x
  3. Step 3: Cross multiply
    551,182,646.40x = 826,773,969.60 × 187,677,002.40
  4. Step 4: Simplify right side
    551,182,646.40x = 155,166,460,276,876,736
  5. Step 5: Solve for x
    x = 155,166,460,276,876,736/551,182,646.40
  6. Step 6: Final answer
    x = 281,515,503.60

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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.