Home / 743,557,588,557.90-1,115,845,852,821.50-259,511,808,758.78

Finding the Fourth Proportional to 743,557,588,557.90, 1,115,845,852,821.50 and 259,511,808,758.78

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Solution

The fourth proportional to 743,557,588,557.90, 1,115,845,852,821.50 and 259,511,808,758.78 is: 389,445,525,158.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,557,588,557.90 : 1,115,845,852,821.50 = 259,511,808,758.78 : x
  2. Step 2: Convert to fraction form
    743,557,588,557.90/1,115,845,852,821.50 = 259,511,808,758.78/x
  3. Step 3: Cross multiply
    743,557,588,557.90x = 1,115,845,852,821.50 × 259,511,808,758.78
  4. Step 4: Simplify right side
    743,557,588,557.90x = 289,575,175,561,690,891,681,792
  5. Step 5: Solve for x
    x = 289,575,175,561,690,891,681,792/743,557,588,557.90
  6. Step 6: Final answer
    x = 389,445,525,158.73

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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.