Home / 335,930,643.60-503,820,343.80-120,519,891.60

Finding the Fourth Proportional to 335,930,643.60, 503,820,343.80 and 120,519,891.60

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Solution

The fourth proportional to 335,930,643.60, 503,820,343.80 and 120,519,891.60 is: 180,752,707.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,930,643.60 : 503,820,343.80 = 120,519,891.60 : x
  2. Step 2: Convert to fraction form
    335,930,643.60/503,820,343.80 = 120,519,891.60/x
  3. Step 3: Cross multiply
    335,930,643.60x = 503,820,343.80 × 120,519,891.60
  4. Step 4: Simplify right side
    335,930,643.60x = 60,720,373,220,650,728
  5. Step 5: Solve for x
    x = 60,720,373,220,650,728/335,930,643.60
  6. Step 6: Final answer
    x = 180,752,707.08

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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.