Home / 728,136,002.40-1,092,204,003.60-243,461,810.40

Finding the Fourth Proportional to 728,136,002.40, 1,092,204,003.60 and 243,461,810.40

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Solution

The fourth proportional to 728,136,002.40, 1,092,204,003.60 and 243,461,810.40 is: 365,192,715.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,136,002.40 : 1,092,204,003.60 = 243,461,810.40 : x
  2. Step 2: Convert to fraction form
    728,136,002.40/1,092,204,003.60 = 243,461,810.40/x
  3. Step 3: Cross multiply
    728,136,002.40x = 1,092,204,003.60 × 243,461,810.40
  4. Step 4: Simplify right side
    728,136,002.40x = 265,909,964,042,584,096
  5. Step 5: Solve for x
    x = 265,909,964,042,584,096/728,136,002.40
  6. Step 6: Final answer
    x = 365,192,715.60

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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.