Home / 243,620,400.60-365,430,600.90-216,835,774.20

Finding the Fourth Proportional to 243,620,400.60, 365,430,600.90 and 216,835,774.20

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Solution

The fourth proportional to 243,620,400.60, 365,430,600.90 and 216,835,774.20 is: 325,253,661.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,620,400.60 : 365,430,600.90 = 216,835,774.20 : x
  2. Step 2: Convert to fraction form
    243,620,400.60/365,430,600.90 = 216,835,774.20/x
  3. Step 3: Cross multiply
    243,620,400.60x = 365,430,600.90 × 216,835,774.20
  4. Step 4: Simplify right side
    243,620,400.60x = 79,238,427,262,522,704
  5. Step 5: Solve for x
    x = 79,238,427,262,522,704/243,620,400.60
  6. Step 6: Final answer
    x = 325,253,661.30

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1.5x scale

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.