Home / 499,445,999.10-749,168,998.65-490,836,654.90

Finding the Fourth Proportional to 499,445,999.10, 749,168,998.65 and 490,836,654.90

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Solution

The fourth proportional to 499,445,999.10, 749,168,998.65 and 490,836,654.90 is: 736,254,982.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,445,999.10 : 749,168,998.65 = 490,836,654.90 : x
  2. Step 2: Convert to fraction form
    499,445,999.10/749,168,998.65 = 490,836,654.90/x
  3. Step 3: Cross multiply
    499,445,999.10x = 749,168,998.65 × 490,836,654.90
  4. Step 4: Simplify right side
    499,445,999.10x = 367,719,605,252,148,608
  5. Step 5: Solve for x
    x = 367,719,605,252,148,608/499,445,999.10
  6. Step 6: Final answer
    x = 736,254,982.35

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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.