Home / 565,647,519.56-780,952,217.00-387,329,807.57

Finding the Fourth Proportional to 565,647,519.56, 780,952,217.00 and 387,329,807.57

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Solution

The fourth proportional to 565,647,519.56, 780,952,217.00 and 387,329,807.57 is: 534,760,714.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,647,519.56 : 780,952,217.00 = 387,329,807.57 : x
  2. Step 2: Convert to fraction form
    565,647,519.56/780,952,217.00 = 387,329,807.57/x
  3. Step 3: Cross multiply
    565,647,519.56x = 780,952,217.00 × 387,329,807.57
  4. Step 4: Simplify right side
    565,647,519.56x = 302,486,071,926,133,504
  5. Step 5: Solve for x
    x = 302,486,071,926,133,504/565,647,519.56
  6. Step 6: Final answer
    x = 534,760,714.88

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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.