Home / 331,801,634.40-497,702,451.60-210,719,983.20

Finding the Fourth Proportional to 331,801,634.40, 497,702,451.60 and 210,719,983.20

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Solution

The fourth proportional to 331,801,634.40, 497,702,451.60 and 210,719,983.20 is: 316,079,974.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,801,634.40 : 497,702,451.60 = 210,719,983.20 : x
  2. Step 2: Convert to fraction form
    331,801,634.40/497,702,451.60 = 210,719,983.20/x
  3. Step 3: Cross multiply
    331,801,634.40x = 497,702,451.60 × 210,719,983.20
  4. Step 4: Simplify right side
    331,801,634.40x = 104,875,852,239,750,816
  5. Step 5: Solve for x
    x = 104,875,852,239,750,816/331,801,634.40
  6. Step 6: Final answer
    x = 316,079,974.80

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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.