Home / 664,301,898.40-996,452,847.60-492,115,014.40

Finding the Fourth Proportional to 664,301,898.40, 996,452,847.60 and 492,115,014.40

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Solution

The fourth proportional to 664,301,898.40, 996,452,847.60 and 492,115,014.40 is: 738,172,521.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,301,898.40 : 996,452,847.60 = 492,115,014.40 : x
  2. Step 2: Convert to fraction form
    664,301,898.40/996,452,847.60 = 492,115,014.40/x
  3. Step 3: Cross multiply
    664,301,898.40x = 996,452,847.60 × 492,115,014.40
  4. Step 4: Simplify right side
    664,301,898.40x = 490,369,407,445,595,008
  5. Step 5: Solve for x
    x = 490,369,407,445,595,008/664,301,898.40
  6. Step 6: Final answer
    x = 738,172,521.60

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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.