Home / 310,520,147,241.70-465,780,220,862.55-204,521,901,451.30

Finding the Fourth Proportional to 310,520,147,241.70, 465,780,220,862.55 and 204,521,901,451.30

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Solution

The fourth proportional to 310,520,147,241.70, 465,780,220,862.55 and 204,521,901,451.30 is: 306,782,852,176.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,520,147,241.70 : 465,780,220,862.55 = 204,521,901,451.30 : x
  2. Step 2: Convert to fraction form
    310,520,147,241.70/465,780,220,862.55 = 204,521,901,451.30/x
  3. Step 3: Cross multiply
    310,520,147,241.70x = 465,780,220,862.55 × 204,521,901,451.30
  4. Step 4: Simplify right side
    310,520,147,241.70x = 95,262,256,429,215,187,468,288
  5. Step 5: Solve for x
    x = 95,262,256,429,215,187,468,288/310,520,147,241.70
  6. Step 6: Final answer
    x = 306,782,852,176.95

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Double scale
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1.5x scale

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.