Home / 552,618,585.78-762,680,521.08-314,521,660.05

Finding the Fourth Proportional to 552,618,585.78, 762,680,521.08 and 314,521,660.05

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Solution

The fourth proportional to 552,618,585.78, 762,680,521.08 and 314,521,660.05 is: 434,077,951.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,618,585.78 : 762,680,521.08 = 314,521,660.05 : x
  2. Step 2: Convert to fraction form
    552,618,585.78/762,680,521.08 = 314,521,660.05/x
  3. Step 3: Cross multiply
    552,618,585.78x = 762,680,521.08 × 314,521,660.05
  4. Step 4: Simplify right side
    552,618,585.78x = 239,879,543,577,880,640
  5. Step 5: Solve for x
    x = 239,879,543,577,880,640/552,618,585.78
  6. Step 6: Final answer
    x = 434,077,951.32

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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.