Home / 559,874,081.80-839,811,122.70-478,244,744.20

Finding the Fourth Proportional to 559,874,081.80, 839,811,122.70 and 478,244,744.20

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Solution

The fourth proportional to 559,874,081.80, 839,811,122.70 and 478,244,744.20 is: 717,367,116.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,874,081.80 : 839,811,122.70 = 478,244,744.20 : x
  2. Step 2: Convert to fraction form
    559,874,081.80/839,811,122.70 = 478,244,744.20/x
  3. Step 3: Cross multiply
    559,874,081.80x = 839,811,122.70 × 478,244,744.20
  4. Step 4: Simplify right side
    559,874,081.80x = 401,635,255,551,976,320
  5. Step 5: Solve for x
    x = 401,635,255,551,976,320/559,874,081.80
  6. Step 6: Final answer
    x = 717,367,116.30

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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.