Home / 855,405,371.43-1,283,647,801.91-364,117,839.05

Finding the Fourth Proportional to 855,405,371.43, 1,283,647,801.91 and 364,117,839.05

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Solution

The fourth proportional to 855,405,371.43, 1,283,647,801.91 and 364,117,839.05 is: 546,406,510.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,405,371.43 : 1,283,647,801.91 = 364,117,839.05 : x
  2. Step 2: Convert to fraction form
    855,405,371.43/1,283,647,801.91 = 364,117,839.05/x
  3. Step 3: Cross multiply
    855,405,371.43x = 1,283,647,801.91 × 364,117,839.05
  4. Step 4: Simplify right side
    855,405,371.43x = 467,399,063,730,931,072
  5. Step 5: Solve for x
    x = 467,399,063,730,931,072/855,405,371.43
  6. Step 6: Final answer
    x = 546,406,510.11

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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.