Home / 658,476,136.40-987,714,204.60-551,337,630.80

Finding the Fourth Proportional to 658,476,136.40, 987,714,204.60 and 551,337,630.80

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Solution

The fourth proportional to 658,476,136.40, 987,714,204.60 and 551,337,630.80 is: 827,006,446.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,476,136.40 : 987,714,204.60 = 551,337,630.80 : x
  2. Step 2: Convert to fraction form
    658,476,136.40/987,714,204.60 = 551,337,630.80/x
  3. Step 3: Cross multiply
    658,476,136.40x = 987,714,204.60 × 551,337,630.80
  4. Step 4: Simplify right side
    658,476,136.40x = 544,564,009,471,670,400
  5. Step 5: Solve for x
    x = 544,564,009,471,670,400/658,476,136.40
  6. Step 6: Final answer
    x = 827,006,446.20

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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.