Home / 725,163,837.90-1,000,694,803.95-411,897,076.62

Finding the Fourth Proportional to 725,163,837.90, 1,000,694,803.95 and 411,897,076.62

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Solution

The fourth proportional to 725,163,837.90, 1,000,694,803.95 and 411,897,076.62 is: 568,400,191.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,163,837.90 : 1,000,694,803.95 = 411,897,076.62 : x
  2. Step 2: Convert to fraction form
    725,163,837.90/1,000,694,803.95 = 411,897,076.62/x
  3. Step 3: Cross multiply
    725,163,837.90x = 1,000,694,803.95 × 411,897,076.62
  4. Step 4: Simplify right side
    725,163,837.90x = 412,183,264,335,829,056
  5. Step 5: Solve for x
    x = 412,183,264,335,829,056/725,163,837.90
  6. Step 6: Final answer
    x = 568,400,191.51

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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.