Home / 829,889,463.74-1,244,479,856.14-480,376,782.66

Finding the Fourth Proportional to 829,889,463.74, 1,244,479,856.14 and 480,376,782.66

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Solution

The fourth proportional to 829,889,463.74, 1,244,479,856.14 and 480,376,782.66 is: 720,360,066.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,889,463.74 : 1,244,479,856.14 = 480,376,782.66 : x
  2. Step 2: Convert to fraction form
    829,889,463.74/1,244,479,856.14 = 480,376,782.66/x
  3. Step 3: Cross multiply
    829,889,463.74x = 1,244,479,856.14 × 480,376,782.66
  4. Step 4: Simplify right side
    829,889,463.74x = 597,819,229,382,991,616
  5. Step 5: Solve for x
    x = 597,819,229,382,991,616/829,889,463.74
  6. Step 6: Final answer
    x = 720,360,066.62

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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.