Home / 372,546,529.68-514,141,383.30-215,954,063.76

Finding the Fourth Proportional to 372,546,529.68, 514,141,383.30 and 215,954,063.76

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Solution

The fourth proportional to 372,546,529.68, 514,141,383.30 and 215,954,063.76 is: 298,032,358.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,546,529.68 : 514,141,383.30 = 215,954,063.76 : x
  2. Step 2: Convert to fraction form
    372,546,529.68/514,141,383.30 = 215,954,063.76/x
  3. Step 3: Cross multiply
    372,546,529.68x = 514,141,383.30 × 215,954,063.76
  4. Step 4: Simplify right side
    372,546,529.68x = 111,030,921,070,822,800
  5. Step 5: Solve for x
    x = 111,030,921,070,822,800/372,546,529.68
  6. Step 6: Final answer
    x = 298,032,358.98

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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.