Home / 442,867,999.60-664,301,999.40-297,749,177.20

Finding the Fourth Proportional to 442,867,999.60, 664,301,999.40 and 297,749,177.20

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Solution

The fourth proportional to 442,867,999.60, 664,301,999.40 and 297,749,177.20 is: 446,623,765.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,867,999.60 : 664,301,999.40 = 297,749,177.20 : x
  2. Step 2: Convert to fraction form
    442,867,999.60/664,301,999.40 = 297,749,177.20/x
  3. Step 3: Cross multiply
    442,867,999.60x = 664,301,999.40 × 297,749,177.20
  4. Step 4: Simplify right side
    442,867,999.60x = 197,795,373,733,664,864
  5. Step 5: Solve for x
    x = 197,795,373,733,664,864/442,867,999.60
  6. Step 6: Final answer
    x = 446,623,765.80

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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.