Home / 288,933,115.60-433,399,673.40-185,620,985.20

Finding the Fourth Proportional to 288,933,115.60, 433,399,673.40 and 185,620,985.20

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Solution

The fourth proportional to 288,933,115.60, 433,399,673.40 and 185,620,985.20 is: 278,431,477.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,933,115.60 : 433,399,673.40 = 185,620,985.20 : x
  2. Step 2: Convert to fraction form
    288,933,115.60/433,399,673.40 = 185,620,985.20/x
  3. Step 3: Cross multiply
    288,933,115.60x = 433,399,673.40 × 185,620,985.20
  4. Step 4: Simplify right side
    288,933,115.60x = 80,448,074,361,866,224
  5. Step 5: Solve for x
    x = 80,448,074,361,866,224/288,933,115.60
  6. Step 6: Final answer
    x = 278,431,477.80

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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.