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Finding the Fourth Proportional to 353,597,937.17, 487,965,603.88 and 192,661,158.86

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Solution

The fourth proportional to 353,597,937.17, 487,965,603.88 and 192,661,158.86 is: 265,872,644.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,597,937.17 : 487,965,603.88 = 192,661,158.86 : x
  2. Step 2: Convert to fraction form
    353,597,937.17/487,965,603.88 = 192,661,158.86/x
  3. Step 3: Cross multiply
    353,597,937.17x = 487,965,603.88 × 192,661,158.86
  4. Step 4: Simplify right side
    353,597,937.17x = 94,012,018,726,971,376
  5. Step 5: Solve for x
    x = 94,012,018,726,971,376/353,597,937.17
  6. Step 6: Final answer
    x = 265,872,644.74

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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.