Home / 869,256,209.60-1,303,436,416.80-323,716,932.80

Finding the Fourth Proportional to 869,256,209.60, 1,303,436,416.80 and 323,716,932.80

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Solution

The fourth proportional to 869,256,209.60, 1,303,436,416.80 and 323,716,932.80 is: 485,408,599.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,256,209.60 : 1,303,436,416.80 = 323,716,932.80 : x
  2. Step 2: Convert to fraction form
    869,256,209.60/1,303,436,416.80 = 323,716,932.80/x
  3. Step 3: Cross multiply
    869,256,209.60x = 1,303,436,416.80 × 323,716,932.80
  4. Step 4: Simplify right side
    869,256,209.60x = 421,944,438,946,318,400
  5. Step 5: Solve for x
    x = 421,944,438,946,318,400/869,256,209.60
  6. Step 6: Final answer
    x = 485,408,599.08

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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.