Home / 559,874,080.80-839,811,121.20-478,244,743.20

Finding the Fourth Proportional to 559,874,080.80, 839,811,121.20 and 478,244,743.20

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Solution

The fourth proportional to 559,874,080.80, 839,811,121.20 and 478,244,743.20 is: 717,367,114.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,874,080.80 : 839,811,121.20 = 478,244,743.20 : x
  2. Step 2: Convert to fraction form
    559,874,080.80/839,811,121.20 = 478,244,743.20/x
  3. Step 3: Cross multiply
    559,874,080.80x = 839,811,121.20 × 478,244,743.20
  4. Step 4: Simplify right side
    559,874,080.80x = 401,635,253,994,798,080
  5. Step 5: Solve for x
    x = 401,635,253,994,798,080/559,874,080.80
  6. Step 6: Final answer
    x = 717,367,114.80

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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.