Home / 352,731,384.85-486,800,327.61-193,989,481

Finding the Fourth Proportional to 352,731,384.85, 486,800,327.61 and 193,989,481

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Solution

The fourth proportional to 352,731,384.85, 486,800,327.61 and 193,989,481 is: 267,722,541.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,731,384.85 : 486,800,327.61 = 193,989,481 : x
  2. Step 2: Convert to fraction form
    352,731,384.85/486,800,327.61 = 193,989,481/x
  3. Step 3: Cross multiply
    352,731,384.85x = 486,800,327.61 × 193,989,481
  4. Step 4: Simplify right side
    352,731,384.85x = 94,434,142,903,693,872
  5. Step 5: Solve for x
    x = 94,434,142,903,693,872/352,731,384.85
  6. Step 6: Final answer
    x = 267,722,541.74

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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.