Home / 1,813,189,000.78-2,720,338,566.63-928,500,752.71

Finding the Fourth Proportional to 1,813,189,000.78, 2,720,338,566.63 and 928,500,752.71

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Solution

The fourth proportional to 1,813,189,000.78, 2,720,338,566.63 and 928,500,752.71 is: 1,393,035,367.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,813,189,000.78 : 2,720,338,566.63 = 928,500,752.71 : x
  2. Step 2: Convert to fraction form
    1,813,189,000.78/2,720,338,566.63 = 928,500,752.71/x
  3. Step 3: Cross multiply
    1,813,189,000.78x = 2,720,338,566.63 × 928,500,752.71
  4. Step 4: Simplify right side
    1,813,189,000.78x = 2,525,836,406,741,997,568
  5. Step 5: Solve for x
    x = 2,525,836,406,741,997,568/1,813,189,000.78
  6. Step 6: Final answer
    x = 1,393,035,367.88

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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.