Home / 431,633,803.59-595,618,639.74-243,451,726.47

Finding the Fourth Proportional to 431,633,803.59, 595,618,639.74 and 243,451,726.47

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Solution

The fourth proportional to 431,633,803.59, 595,618,639.74 and 243,451,726.47 is: 335,943,072.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,633,803.59 : 595,618,639.74 = 243,451,726.47 : x
  2. Step 2: Convert to fraction form
    431,633,803.59/595,618,639.74 = 243,451,726.47/x
  3. Step 3: Cross multiply
    431,633,803.59x = 595,618,639.74 × 243,451,726.47
  4. Step 4: Simplify right side
    431,633,803.59x = 145,004,386,162,415,968
  5. Step 5: Solve for x
    x = 145,004,386,162,415,968/431,633,803.59
  6. Step 6: Final answer
    x = 335,943,072.48

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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.