Home / 725,304,621.60-1,000,955,865.60-407,864,773.44

Finding the Fourth Proportional to 725,304,621.60, 1,000,955,865.60 and 407,864,773.44

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Solution

The fourth proportional to 725,304,621.60, 1,000,955,865.60 and 407,864,773.44 is: 562,873,343.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,304,621.60 : 1,000,955,865.60 = 407,864,773.44 : x
  2. Step 2: Convert to fraction form
    725,304,621.60/1,000,955,865.60 = 407,864,773.44/x
  3. Step 3: Cross multiply
    725,304,621.60x = 1,000,955,865.60 × 407,864,773.44
  4. Step 4: Simplify right side
    725,304,621.60x = 408,254,637,346,383,104
  5. Step 5: Solve for x
    x = 408,254,637,346,383,104/725,304,621.60
  6. Step 6: Final answer
    x = 562,873,343.40

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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.