Home / 499,026,851.20-748,428,302.40-327,706,019.20

Finding the Fourth Proportional to 499,026,851.20, 748,428,302.40 and 327,706,019.20

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Solution

The fourth proportional to 499,026,851.20, 748,428,302.40 and 327,706,019.20 is: 491,485,496.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,026,851.20 : 748,428,302.40 = 327,706,019.20 : x
  2. Step 2: Convert to fraction form
    499,026,851.20/748,428,302.40 = 327,706,019.20/x
  3. Step 3: Cross multiply
    499,026,851.20x = 748,428,302.40 × 327,706,019.20
  4. Step 4: Simplify right side
    499,026,851.20x = 245,264,459,636,117,792
  5. Step 5: Solve for x
    x = 245,264,459,636,117,792/499,026,851.20
  6. Step 6: Final answer
    x = 491,485,496.31

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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.