Home / 728,136,001.40-1,092,204,002.10-243,461,809.40

Finding the Fourth Proportional to 728,136,001.40, 1,092,204,002.10 and 243,461,809.40

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Solution

The fourth proportional to 728,136,001.40, 1,092,204,002.10 and 243,461,809.40 is: 365,192,714.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,136,001.40 : 1,092,204,002.10 = 243,461,809.40 : x
  2. Step 2: Convert to fraction form
    728,136,001.40/1,092,204,002.10 = 243,461,809.40/x
  3. Step 3: Cross multiply
    728,136,001.40x = 1,092,204,002.10 × 243,461,809.40
  4. Step 4: Simplify right side
    728,136,001.40x = 265,909,962,585,187,392
  5. Step 5: Solve for x
    x = 265,909,962,585,187,392/728,136,001.40
  6. Step 6: Final answer
    x = 365,192,714.10

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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.