Home / 486,074,782.92-670,787,380.71-277,241,498.76

Finding the Fourth Proportional to 486,074,782.92, 670,787,380.71 and 277,241,498.76

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Solution

The fourth proportional to 486,074,782.92, 670,787,380.71 and 277,241,498.76 is: 382,595,652.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,074,782.92 : 670,787,380.71 = 277,241,498.76 : x
  2. Step 2: Convert to fraction form
    486,074,782.92/670,787,380.71 = 277,241,498.76/x
  3. Step 3: Cross multiply
    486,074,782.92x = 670,787,380.71 × 277,241,498.76
  4. Step 4: Simplify right side
    486,074,782.92x = 185,970,098,777,335,104
  5. Step 5: Solve for x
    x = 185,970,098,777,335,104/486,074,782.92
  6. Step 6: Final answer
    x = 382,595,652.59

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Double scale
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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.