Home / 559,872,034.20-839,808,051.30-313,976,251.80

Finding the Fourth Proportional to 559,872,034.20, 839,808,051.30 and 313,976,251.80

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Solution

The fourth proportional to 559,872,034.20, 839,808,051.30 and 313,976,251.80 is: 470,964,377.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,872,034.20 : 839,808,051.30 = 313,976,251.80 : x
  2. Step 2: Convert to fraction form
    559,872,034.20/839,808,051.30 = 313,976,251.80/x
  3. Step 3: Cross multiply
    559,872,034.20x = 839,808,051.30 × 313,976,251.80
  4. Step 4: Simplify right side
    559,872,034.20x = 263,679,784,178,636,128
  5. Step 5: Solve for x
    x = 263,679,784,178,636,128/559,872,034.20
  6. Step 6: Final answer
    x = 470,964,377.70

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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.