Home / 638,278,974.27-880,787,024.08-370,334,049.44

Finding the Fourth Proportional to 638,278,974.27, 880,787,024.08 and 370,334,049.44

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Solution

The fourth proportional to 638,278,974.27, 880,787,024.08 and 370,334,049.44 is: 511,038,963.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,278,974.27 : 880,787,024.08 = 370,334,049.44 : x
  2. Step 2: Convert to fraction form
    638,278,974.27/880,787,024.08 = 370,334,049.44/x
  3. Step 3: Cross multiply
    638,278,974.27x = 880,787,024.08 × 370,334,049.44
  4. Step 4: Simplify right side
    638,278,974.27x = 326,185,425,316,423,424
  5. Step 5: Solve for x
    x = 326,185,425,316,423,424/638,278,974.27
  6. Step 6: Final answer
    x = 511,038,963.31

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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.