Home / 770,914,875.82-1,156,417,169.92-218,171,063.74

Finding the Fourth Proportional to 770,914,875.82, 1,156,417,169.92 and 218,171,063.74

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Solution

The fourth proportional to 770,914,875.82, 1,156,417,169.92 and 218,171,063.74 is: 327,269,290.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,914,875.82 : 1,156,417,169.92 = 218,171,063.74 : x
  2. Step 2: Convert to fraction form
    770,914,875.82/1,156,417,169.92 = 218,171,063.74/x
  3. Step 3: Cross multiply
    770,914,875.82x = 1,156,417,169.92 × 218,171,063.74
  4. Step 4: Simplify right side
    770,914,875.82x = 252,296,764,088,646,752
  5. Step 5: Solve for x
    x = 252,296,764,088,646,752/770,914,875.82
  6. Step 6: Final answer
    x = 327,269,290.04

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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.