Home / 366,335,999.60-549,503,999.40-221,217,177.20

Finding the Fourth Proportional to 366,335,999.60, 549,503,999.40 and 221,217,177.20

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Solution

The fourth proportional to 366,335,999.60, 549,503,999.40 and 221,217,177.20 is: 331,825,765.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,335,999.60 : 549,503,999.40 = 221,217,177.20 : x
  2. Step 2: Convert to fraction form
    366,335,999.60/549,503,999.40 = 221,217,177.20/x
  3. Step 3: Cross multiply
    366,335,999.60x = 549,503,999.40 × 221,217,177.20
  4. Step 4: Simplify right side
    366,335,999.60x = 121,559,723,607,378,480
  5. Step 5: Solve for x
    x = 121,559,723,607,378,480/366,335,999.60
  6. Step 6: Final answer
    x = 331,825,765.80

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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.