Home / 1,439,598,858.30-2,159,398,287.45-1,326,224,778.30

Finding the Fourth Proportional to 1,439,598,858.30, 2,159,398,287.45 and 1,326,224,778.30

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Solution

The fourth proportional to 1,439,598,858.30, 2,159,398,287.45 and 1,326,224,778.30 is: 1,989,337,167.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,439,598,858.30 : 2,159,398,287.45 = 1,326,224,778.30 : x
  2. Step 2: Convert to fraction form
    1,439,598,858.30/2,159,398,287.45 = 1,326,224,778.30/x
  3. Step 3: Cross multiply
    1,439,598,858.30x = 2,159,398,287.45 × 1,326,224,778.30
  4. Step 4: Simplify right side
    1,439,598,858.30x = 2,863,847,515,034,775,552
  5. Step 5: Solve for x
    x = 2,863,847,515,034,775,552/1,439,598,858.30
  6. Step 6: Final answer
    x = 1,989,337,167.45

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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.