Home / 743,557,588,561.80-1,115,845,852,827.50-259,511,808,762.73

Finding the Fourth Proportional to 743,557,588,561.80, 1,115,845,852,827.50 and 259,511,808,762.73

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Solution

The fourth proportional to 743,557,588,561.80, 1,115,845,852,827.50 and 259,511,808,762.73 is: 389,445,525,164.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,557,588,561.80 : 1,115,845,852,827.50 = 259,511,808,762.73 : x
  2. Step 2: Convert to fraction form
    743,557,588,561.80/1,115,845,852,827.50 = 259,511,808,762.73/x
  3. Step 3: Cross multiply
    743,557,588,561.80x = 1,115,845,852,827.50 × 259,511,808,762.73
  4. Step 4: Simplify right side
    743,557,588,561.80x = 289,575,175,567,655,561,068,544
  5. Step 5: Solve for x
    x = 289,575,175,567,655,561,068,544/743,557,588,561.80
  6. Step 6: Final answer
    x = 389,445,525,164.71

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Double scale
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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.