Home / 313,145,971,990.90-469,526,723,983.24-121,694,466,166.56

Finding the Fourth Proportional to 313,145,971,990.90, 469,526,723,983.24 and 121,694,466,166.56

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Solution

The fourth proportional to 313,145,971,990.90, 469,526,723,983.24 and 121,694,466,166.56 is: 182,466,993,468.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,145,971,990.90 : 469,526,723,983.24 = 121,694,466,166.56 : x
  2. Step 2: Convert to fraction form
    313,145,971,990.90/469,526,723,983.24 = 121,694,466,166.56/x
  3. Step 3: Cross multiply
    313,145,971,990.90x = 469,526,723,983.24 × 121,694,466,166.56
  4. Step 4: Simplify right side
    313,145,971,990.90x = 57,138,804,026,074,151,780,352
  5. Step 5: Solve for x
    x = 57,138,804,026,074,151,780,352/313,145,971,990.90
  6. Step 6: Final answer
    x = 182,466,993,468.89

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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.