Home / 288,005,761.84-397,449,004.64-155,846,759.64

Finding the Fourth Proportional to 288,005,761.84, 397,449,004.64 and 155,846,759.64

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Solution

The fourth proportional to 288,005,761.84, 397,449,004.64 and 155,846,759.64 is: 215,069,098.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,005,761.84 : 397,449,004.64 = 155,846,759.64 : x
  2. Step 2: Convert to fraction form
    288,005,761.84/397,449,004.64 = 155,846,759.64/x
  3. Step 3: Cross multiply
    288,005,761.84x = 397,449,004.64 × 155,846,759.64
  4. Step 4: Simplify right side
    288,005,761.84x = 61,941,139,495,287,320
  5. Step 5: Solve for x
    x = 61,941,139,495,287,320/288,005,761.84
  6. Step 6: Final answer
    x = 215,069,098.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.