Home / 435,629,268.80-653,443,903.20-336,993,819.20

Finding the Fourth Proportional to 435,629,268.80, 653,443,903.20 and 336,993,819.20

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Solution

The fourth proportional to 435,629,268.80, 653,443,903.20 and 336,993,819.20 is: 505,490,728.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,629,268.80 : 653,443,903.20 = 336,993,819.20 : x
  2. Step 2: Convert to fraction form
    435,629,268.80/653,443,903.20 = 336,993,819.20/x
  3. Step 3: Cross multiply
    435,629,268.80x = 653,443,903.20 × 336,993,819.20
  4. Step 4: Simplify right side
    435,629,268.80x = 220,206,556,572,323,104
  5. Step 5: Solve for x
    x = 220,206,556,572,323,104/435,629,268.80
  6. Step 6: Final answer
    x = 505,490,728.80

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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.