Home / 1,039,278,467.72-1,434,192,143.92-562,959,855.04

Finding the Fourth Proportional to 1,039,278,467.72, 1,434,192,143.92 and 562,959,855.04

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Solution

The fourth proportional to 1,039,278,467.72, 1,434,192,143.92 and 562,959,855.04 is: 776,878,023.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,278,467.72 : 1,434,192,143.92 = 562,959,855.04 : x
  2. Step 2: Convert to fraction form
    1,039,278,467.72/1,434,192,143.92 = 562,959,855.04/x
  3. Step 3: Cross multiply
    1,039,278,467.72x = 1,434,192,143.92 × 562,959,855.04
  4. Step 4: Simplify right side
    1,039,278,467.72x = 807,392,601,440,710,016
  5. Step 5: Solve for x
    x = 807,392,601,440,710,016/1,039,278,467.72
  6. Step 6: Final answer
    x = 776,878,023.09

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Half scale
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Double scale
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1.5x scale

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.