Home / 1,423,278,619.20-2,136,295,086.75-686,866,928.04

Finding the Fourth Proportional to 1,423,278,619.20, 2,136,295,086.75 and 686,866,928.04

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Solution

The fourth proportional to 1,423,278,619.20, 2,136,295,086.75 and 686,866,928.04 is: 1,030,965,001.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,423,278,619.20 : 2,136,295,086.75 = 686,866,928.04 : x
  2. Step 2: Convert to fraction form
    1,423,278,619.20/2,136,295,086.75 = 686,866,928.04/x
  3. Step 3: Cross multiply
    1,423,278,619.20x = 2,136,295,086.75 × 686,866,928.04
  4. Step 4: Simplify right side
    1,423,278,619.20x = 1,467,350,443,622,917,632
  5. Step 5: Solve for x
    x = 1,467,350,443,622,917,632/1,423,278,619.20
  6. Step 6: Final answer
    x = 1,030,965,001.39

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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.