Home / 1,247,951,085.20-1,871,926,627.80-885,154,029.20

Finding the Fourth Proportional to 1,247,951,085.20, 1,871,926,627.80 and 885,154,029.20

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Solution

The fourth proportional to 1,247,951,085.20, 1,871,926,627.80 and 885,154,029.20 is: 1,327,731,043.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,951,085.20 : 1,871,926,627.80 = 885,154,029.20 : x
  2. Step 2: Convert to fraction form
    1,247,951,085.20/1,871,926,627.80 = 885,154,029.20/x
  3. Step 3: Cross multiply
    1,247,951,085.20x = 1,871,926,627.80 × 885,154,029.20
  4. Step 4: Simplify right side
    1,247,951,085.20x = 1,656,943,396,963,938,816
  5. Step 5: Solve for x
    x = 1,656,943,396,963,938,816/1,247,951,085.20
  6. Step 6: Final answer
    x = 1,327,731,043.80

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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.