Home / 340,656,376.88-470,105,338.20-193,978,660.88

Finding the Fourth Proportional to 340,656,376.88, 470,105,338.20 and 193,978,660.88

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Solution

The fourth proportional to 340,656,376.88, 470,105,338.20 and 193,978,660.88 is: 267,690,289.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,656,376.88 : 470,105,338.20 = 193,978,660.88 : x
  2. Step 2: Convert to fraction form
    340,656,376.88/470,105,338.20 = 193,978,660.88/x
  3. Step 3: Cross multiply
    340,656,376.88x = 470,105,338.20 × 193,978,660.88
  4. Step 4: Simplify right side
    340,656,376.88x = 91,190,403,976,575,504
  5. Step 5: Solve for x
    x = 91,190,403,976,575,504/340,656,376.88
  6. Step 6: Final answer
    x = 267,690,289.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.