Home / 887,431,152.80-1,328,595,812.40-543,057,384.80

Finding the Fourth Proportional to 887,431,152.80, 1,328,595,812.40 and 543,057,384.80

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Solution

The fourth proportional to 887,431,152.80, 1,328,595,812.40 and 543,057,384.80 is: 813,025,061.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,431,152.80 : 1,328,595,812.40 = 543,057,384.80 : x
  2. Step 2: Convert to fraction form
    887,431,152.80/1,328,595,812.40 = 543,057,384.80/x
  3. Step 3: Cross multiply
    887,431,152.80x = 1,328,595,812.40 × 543,057,384.80
  4. Step 4: Simplify right side
    887,431,152.80x = 721,503,767,338,175,360
  5. Step 5: Solve for x
    x = 721,503,767,338,175,360/887,431,152.80
  6. Step 6: Final answer
    x = 813,025,061.22

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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.