Home / 712,314,097.20-1,068,471,145.80-591,381,745.20

Finding the Fourth Proportional to 712,314,097.20, 1,068,471,145.80 and 591,381,745.20

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Solution

The fourth proportional to 712,314,097.20, 1,068,471,145.80 and 591,381,745.20 is: 887,072,617.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,314,097.20 : 1,068,471,145.80 = 591,381,745.20 : x
  2. Step 2: Convert to fraction form
    712,314,097.20/1,068,471,145.80 = 591,381,745.20/x
  3. Step 3: Cross multiply
    712,314,097.20x = 1,068,471,145.80 × 591,381,745.20
  4. Step 4: Simplify right side
    712,314,097.20x = 631,874,330,899,047,680
  5. Step 5: Solve for x
    x = 631,874,330,899,047,680/712,314,097.20
  6. Step 6: Final answer
    x = 887,072,617.80

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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.