Home / 375,628,703.27-563,443,072.42-257,336,818.41

Finding the Fourth Proportional to 375,628,703.27, 563,443,072.42 and 257,336,818.41

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Solution

The fourth proportional to 375,628,703.27, 563,443,072.42 and 257,336,818.41 is: 386,005,239.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,628,703.27 : 563,443,072.42 = 257,336,818.41 : x
  2. Step 2: Convert to fraction form
    375,628,703.27/563,443,072.42 = 257,336,818.41/x
  3. Step 3: Cross multiply
    375,628,703.27x = 563,443,072.42 × 257,336,818.41
  4. Step 4: Simplify right side
    375,628,703.27x = 144,994,647,613,663,680
  5. Step 5: Solve for x
    x = 144,994,647,613,663,680/375,628,703.27
  6. Step 6: Final answer
    x = 386,005,239.62

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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.