Home / 330,626,360.87-456,161,643.78-187,548,560.83

Finding the Fourth Proportional to 330,626,360.87, 456,161,643.78 and 187,548,560.83

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Solution

The fourth proportional to 330,626,360.87, 456,161,643.78 and 187,548,560.83 is: 258,758,737.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,626,360.87 : 456,161,643.78 = 187,548,560.83 : x
  2. Step 2: Convert to fraction form
    330,626,360.87/456,161,643.78 = 187,548,560.83/x
  3. Step 3: Cross multiply
    330,626,360.87x = 456,161,643.78 × 187,548,560.83
  4. Step 4: Simplify right side
    330,626,360.87x = 85,552,459,797,708,928
  5. Step 5: Solve for x
    x = 85,552,459,797,708,928/330,626,360.87
  6. Step 6: Final answer
    x = 258,758,737.72

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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.