Home / 372,703,744.78-514,354,179.56-205,439,629.32

Finding the Fourth Proportional to 372,703,744.78, 514,354,179.56 and 205,439,629.32

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Solution

The fourth proportional to 372,703,744.78, 514,354,179.56 and 205,439,629.32 is: 283,519,372.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,703,744.78 : 514,354,179.56 = 205,439,629.32 : x
  2. Step 2: Convert to fraction form
    372,703,744.78/514,354,179.56 = 205,439,629.32/x
  3. Step 3: Cross multiply
    372,703,744.78x = 514,354,179.56 × 205,439,629.32
  4. Step 4: Simplify right side
    372,703,744.78x = 105,668,731,985,940,944
  5. Step 5: Solve for x
    x = 105,668,731,985,940,944/372,703,744.78
  6. Step 6: Final answer
    x = 283,519,372.87

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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.