Home / 887,431,254.30-1,328,595,964.65-543,057,486.30

Finding the Fourth Proportional to 887,431,254.30, 1,328,595,964.65 and 543,057,486.30

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Solution

The fourth proportional to 887,431,254.30, 1,328,595,964.65 and 543,057,486.30 is: 813,025,213.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,431,254.30 : 1,328,595,964.65 = 543,057,486.30 : x
  2. Step 2: Convert to fraction form
    887,431,254.30/1,328,595,964.65 = 543,057,486.30/x
  3. Step 3: Cross multiply
    887,431,254.30x = 1,328,595,964.65 × 543,057,486.30
  4. Step 4: Simplify right side
    887,431,254.30x = 721,503,984,871,152,640
  5. Step 5: Solve for x
    x = 721,503,984,871,152,640/887,431,254.30
  6. Step 6: Final answer
    x = 813,025,213.36

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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.