Home / 638,278,975.27-880,787,025.46-370,334,050.44

Finding the Fourth Proportional to 638,278,975.27, 880,787,025.46 and 370,334,050.44

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Solution

The fourth proportional to 638,278,975.27, 880,787,025.46 and 370,334,050.44 is: 511,038,964.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,278,975.27 : 880,787,025.46 = 370,334,050.44 : x
  2. Step 2: Convert to fraction form
    638,278,975.27/880,787,025.46 = 370,334,050.44/x
  3. Step 3: Cross multiply
    638,278,975.27x = 880,787,025.46 × 370,334,050.44
  4. Step 4: Simplify right side
    638,278,975.27x = 326,185,426,713,601,216
  5. Step 5: Solve for x
    x = 326,185,426,713,601,216/638,278,975.27
  6. Step 6: Final answer
    x = 511,038,964.70

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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.