Home / 743,557,588,557.70-1,115,845,852,821.10-259,511,808,758.60

Finding the Fourth Proportional to 743,557,588,557.70, 1,115,845,852,821.10 and 259,511,808,758.60

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Solution

The fourth proportional to 743,557,588,557.70, 1,115,845,852,821.10 and 259,511,808,758.60 is: 389,445,525,158.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,557,588,557.70 : 1,115,845,852,821.10 = 259,511,808,758.60 : x
  2. Step 2: Convert to fraction form
    743,557,588,557.70/1,115,845,852,821.10 = 259,511,808,758.60/x
  3. Step 3: Cross multiply
    743,557,588,557.70x = 1,115,845,852,821.10 × 259,511,808,758.60
  4. Step 4: Simplify right side
    743,557,588,557.70x = 289,575,175,561,386,250,993,664
  5. Step 5: Solve for x
    x = 289,575,175,561,386,250,993,664/743,557,588,557.70
  6. Step 6: Final answer
    x = 389,445,525,158.43

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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.