Home / 827,142,115.40-1,240,713,173.10-736,744,001.30

Finding the Fourth Proportional to 827,142,115.40, 1,240,713,173.10 and 736,744,001.30

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Solution

The fourth proportional to 827,142,115.40, 1,240,713,173.10 and 736,744,001.30 is: 1,105,116,001.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,142,115.40 : 1,240,713,173.10 = 736,744,001.30 : x
  2. Step 2: Convert to fraction form
    827,142,115.40/1,240,713,173.10 = 736,744,001.30/x
  3. Step 3: Cross multiply
    827,142,115.40x = 1,240,713,173.10 × 736,744,001.30
  4. Step 4: Simplify right side
    827,142,115.40x = 914,087,987,615,313,408
  5. Step 5: Solve for x
    x = 914,087,987,615,313,408/827,142,115.40
  6. Step 6: Final answer
    x = 1,105,116,001.95

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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.