Home / 280,523,952.44-387,123,579.78-156,764,629.58

Finding the Fourth Proportional to 280,523,952.44, 387,123,579.78 and 156,764,629.58

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Solution

The fourth proportional to 280,523,952.44, 387,123,579.78 and 156,764,629.58 is: 216,335,482.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,523,952.44 : 387,123,579.78 = 156,764,629.58 : x
  2. Step 2: Convert to fraction form
    280,523,952.44/387,123,579.78 = 156,764,629.58/x
  3. Step 3: Cross multiply
    280,523,952.44x = 387,123,579.78 × 156,764,629.58
  4. Step 4: Simplify right side
    280,523,952.44x = 60,687,284,585,895,280
  5. Step 5: Solve for x
    x = 60,687,284,585,895,280/280,523,952.44
  6. Step 6: Final answer
    x = 216,335,482.44

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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.