Home / 437,075,434.20-655,613,151.30-219,397,200.60

Finding the Fourth Proportional to 437,075,434.20, 655,613,151.30 and 219,397,200.60

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Solution

The fourth proportional to 437,075,434.20, 655,613,151.30 and 219,397,200.60 is: 329,095,800.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,075,434.20 : 655,613,151.30 = 219,397,200.60 : x
  2. Step 2: Convert to fraction form
    437,075,434.20/655,613,151.30 = 219,397,200.60/x
  3. Step 3: Cross multiply
    437,075,434.20x = 655,613,151.30 × 219,397,200.60
  4. Step 4: Simplify right side
    437,075,434.20x = 143,839,690,071,764,240
  5. Step 5: Solve for x
    x = 143,839,690,071,764,240/437,075,434.20
  6. Step 6: Final answer
    x = 329,095,800.90

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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.