Home / 331,801,602.40-497,702,403.60-210,719,951.20

Finding the Fourth Proportional to 331,801,602.40, 497,702,403.60 and 210,719,951.20

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Solution

The fourth proportional to 331,801,602.40, 497,702,403.60 and 210,719,951.20 is: 316,079,926.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,801,602.40 : 497,702,403.60 = 210,719,951.20 : x
  2. Step 2: Convert to fraction form
    331,801,602.40/497,702,403.60 = 210,719,951.20/x
  3. Step 3: Cross multiply
    331,801,602.40x = 497,702,403.60 × 210,719,951.20
  4. Step 4: Simplify right side
    331,801,602.40x = 104,875,826,198,714,704
  5. Step 5: Solve for x
    x = 104,875,826,198,714,704/331,801,602.40
  6. Step 6: Final answer
    x = 316,079,926.80

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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.