Home / 497,991,447.60-746,987,171.40-325,998,769.20

Finding the Fourth Proportional to 497,991,447.60, 746,987,171.40 and 325,998,769.20

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Solution

The fourth proportional to 497,991,447.60, 746,987,171.40 and 325,998,769.20 is: 488,998,153.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,991,447.60 : 746,987,171.40 = 325,998,769.20 : x
  2. Step 2: Convert to fraction form
    497,991,447.60/746,987,171.40 = 325,998,769.20/x
  3. Step 3: Cross multiply
    497,991,447.60x = 746,987,171.40 × 325,998,769.20
  4. Step 4: Simplify right side
    497,991,447.60x = 243,516,898,484,589,440
  5. Step 5: Solve for x
    x = 243,516,898,484,589,440/497,991,447.60
  6. Step 6: Final answer
    x = 488,998,153.80

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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.