Home / 331,801,635.40-497,702,453.10-210,719,984.20

Finding the Fourth Proportional to 331,801,635.40, 497,702,453.10 and 210,719,984.20

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Solution

The fourth proportional to 331,801,635.40, 497,702,453.10 and 210,719,984.20 is: 316,079,976.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,801,635.40 : 497,702,453.10 = 210,719,984.20 : x
  2. Step 2: Convert to fraction form
    331,801,635.40/497,702,453.10 = 210,719,984.20/x
  3. Step 3: Cross multiply
    331,801,635.40x = 497,702,453.10 × 210,719,984.20
  4. Step 4: Simplify right side
    331,801,635.40x = 104,875,853,053,533,248
  5. Step 5: Solve for x
    x = 104,875,853,053,533,248/331,801,635.40
  6. Step 6: Final answer
    x = 316,079,976.30

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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.