Home / 575,436,609.12-794,101,026.96-321,115,299.18

Finding the Fourth Proportional to 575,436,609.12, 794,101,026.96 and 321,115,299.18

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Solution

The fourth proportional to 575,436,609.12, 794,101,026.96 and 321,115,299.18 is: 443,138,279.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,436,609.12 : 794,101,026.96 = 321,115,299.18 : x
  2. Step 2: Convert to fraction form
    575,436,609.12/794,101,026.96 = 321,115,299.18/x
  3. Step 3: Cross multiply
    575,436,609.12x = 794,101,026.96 × 321,115,299.18
  4. Step 4: Simplify right side
    575,436,609.12x = 254,997,988,851,405,664
  5. Step 5: Solve for x
    x = 254,997,988,851,405,664/575,436,609.12
  6. Step 6: Final answer
    x = 443,138,279.37

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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.