Home / 647,694,585.30-971,541,877.95-372,195,570.90

Finding the Fourth Proportional to 647,694,585.30, 971,541,877.95 and 372,195,570.90

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Solution

The fourth proportional to 647,694,585.30, 971,541,877.95 and 372,195,570.90 is: 558,293,356.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,694,585.30 : 971,541,877.95 = 372,195,570.90 : x
  2. Step 2: Convert to fraction form
    647,694,585.30/971,541,877.95 = 372,195,570.90/x
  3. Step 3: Cross multiply
    647,694,585.30x = 971,541,877.95 × 372,195,570.90
  4. Step 4: Simplify right side
    647,694,585.30x = 361,603,583,916,858,368
  5. Step 5: Solve for x
    x = 361,603,583,916,858,368/647,694,585.30
  6. Step 6: Final answer
    x = 558,293,356.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.