Home / 575,436,610.12-794,101,028.34-321,115,300.18

Finding the Fourth Proportional to 575,436,610.12, 794,101,028.34 and 321,115,300.18

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Solution

The fourth proportional to 575,436,610.12, 794,101,028.34 and 321,115,300.18 is: 443,138,280.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,436,610.12 : 794,101,028.34 = 321,115,300.18 : x
  2. Step 2: Convert to fraction form
    575,436,610.12/794,101,028.34 = 321,115,300.18/x
  3. Step 3: Cross multiply
    575,436,610.12x = 794,101,028.34 × 321,115,300.18
  4. Step 4: Simplify right side
    575,436,610.12x = 254,997,990,088,645,792
  5. Step 5: Solve for x
    x = 254,997,990,088,645,792/575,436,610.12
  6. Step 6: Final answer
    x = 443,138,280.75

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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.