Home / 1,252,881,393.62-1,879,310,122.67-761,730,265.04

Finding the Fourth Proportional to 1,252,881,393.62, 1,879,310,122.67 and 761,730,265.04

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Solution

The fourth proportional to 1,252,881,393.62, 1,879,310,122.67 and 761,730,265.04 is: 1,142,588,121.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,881,393.62 : 1,879,310,122.67 = 761,730,265.04 : x
  2. Step 2: Convert to fraction form
    1,252,881,393.62/1,879,310,122.67 = 761,730,265.04/x
  3. Step 3: Cross multiply
    1,252,881,393.62x = 1,879,310,122.67 × 761,730,265.04
  4. Step 4: Simplify right side
    1,252,881,393.62x = 1,431,527,397,820,568,832
  5. Step 5: Solve for x
    x = 1,431,527,397,820,568,832/1,252,881,393.62
  6. Step 6: Final answer
    x = 1,142,588,121.36

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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.