Home / 647,514,446.80-971,059,093.80-238,517,453.20

Finding the Fourth Proportional to 647,514,446.80, 971,059,093.80 and 238,517,453.20

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Solution

The fourth proportional to 647,514,446.80, 971,059,093.80 and 238,517,453.20 is: 357,697,875.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,514,446.80 : 971,059,093.80 = 238,517,453.20 : x
  2. Step 2: Convert to fraction form
    647,514,446.80/971,059,093.80 = 238,517,453.20/x
  3. Step 3: Cross multiply
    647,514,446.80x = 971,059,093.80 × 238,517,453.20
  4. Step 4: Simplify right side
    647,514,446.80x = 231,614,541,959,875,872
  5. Step 5: Solve for x
    x = 231,614,541,959,875,872/647,514,446.80
  6. Step 6: Final answer
    x = 357,697,875.48

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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.