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Finding the Fourth Proportional to 874,727,658, 1,207,149,362.28 and 483,612,276.24

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Solution

The fourth proportional to 874,727,658, 1,207,149,362.28 and 483,612,276.24 is: 667,398,870.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,727,658 : 1,207,149,362.28 = 483,612,276.24 : x
  2. Step 2: Convert to fraction form
    874,727,658/1,207,149,362.28 = 483,612,276.24/x
  3. Step 3: Cross multiply
    874,727,658x = 1,207,149,362.28 × 483,612,276.24
  4. Step 4: Simplify right side
    874,727,658x = 583,792,250,853,895,168
  5. Step 5: Solve for x
    x = 583,792,250,853,895,168/874,727,658
  6. Step 6: Final answer
    x = 667,398,870.40

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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.