Home / 955,467,065.73-1,317,865,354.59-637,767,132.06

Finding the Fourth Proportional to 955,467,065.73, 1,317,865,354.59 and 637,767,132.06

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Solution

The fourth proportional to 955,467,065.73, 1,317,865,354.59 and 637,767,132.06 is: 879,665,283.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,467,065.73 : 1,317,865,354.59 = 637,767,132.06 : x
  2. Step 2: Convert to fraction form
    955,467,065.73/1,317,865,354.59 = 637,767,132.06/x
  3. Step 3: Cross multiply
    955,467,065.73x = 1,317,865,354.59 × 637,767,132.06
  4. Step 4: Simplify right side
    955,467,065.73x = 840,491,207,638,099,072
  5. Step 5: Solve for x
    x = 840,491,207,638,099,072/955,467,065.73
  6. Step 6: Final answer
    x = 879,665,283.91

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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.