Home / 1,117,798,819.36-1,542,517,459.92-609,150,731.50

Finding the Fourth Proportional to 1,117,798,819.36, 1,542,517,459.92 and 609,150,731.50

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Solution

The fourth proportional to 1,117,798,819.36, 1,542,517,459.92 and 609,150,731.50 is: 840,603,535.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,798,819.36 : 1,542,517,459.92 = 609,150,731.50 : x
  2. Step 2: Convert to fraction form
    1,117,798,819.36/1,542,517,459.92 = 609,150,731.50/x
  3. Step 3: Cross multiply
    1,117,798,819.36x = 1,542,517,459.92 × 609,150,731.50
  4. Step 4: Simplify right side
    1,117,798,819.36x = 939,625,639,061,789,952
  5. Step 5: Solve for x
    x = 939,625,639,061,789,952/1,117,798,819.36
  6. Step 6: Final answer
    x = 840,603,535.08

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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.