Home / 725,304,622.60-1,000,955,866.98-407,864,774.44

Finding the Fourth Proportional to 725,304,622.60, 1,000,955,866.98 and 407,864,774.44

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Solution

The fourth proportional to 725,304,622.60, 1,000,955,866.98 and 407,864,774.44 is: 562,873,344.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,304,622.60 : 1,000,955,866.98 = 407,864,774.44 : x
  2. Step 2: Convert to fraction form
    725,304,622.60/1,000,955,866.98 = 407,864,774.44/x
  3. Step 3: Cross multiply
    725,304,622.60x = 1,000,955,866.98 × 407,864,774.44
  4. Step 4: Simplify right side
    725,304,622.60x = 408,254,638,910,192,320
  5. Step 5: Solve for x
    x = 408,254,638,910,192,320/725,304,622.60
  6. Step 6: Final answer
    x = 562,873,344.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.