Home / 1,308,268,452.96-1,962,169,675.76-521,256,147.46

Finding the Fourth Proportional to 1,308,268,452.96, 1,962,169,675.76 and 521,256,147.46

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Solution

The fourth proportional to 1,308,268,452.96, 1,962,169,675.76 and 521,256,147.46 is: 781,791,385.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308,268,452.96 : 1,962,169,675.76 = 521,256,147.46 : x
  2. Step 2: Convert to fraction form
    1,308,268,452.96/1,962,169,675.76 = 521,256,147.46/x
  3. Step 3: Cross multiply
    1,308,268,452.96x = 1,962,169,675.76 × 521,256,147.46
  4. Step 4: Simplify right side
    1,308,268,452.96x = 1,022,793,005,849,494,912
  5. Step 5: Solve for x
    x = 1,022,793,005,849,494,912/1,308,268,452.96
  6. Step 6: Final answer
    x = 781,791,385.04

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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.