Home / 575,436,612.12-794,101,031.10-321,115,302.18

Finding the Fourth Proportional to 575,436,612.12, 794,101,031.10 and 321,115,302.18

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Solution

The fourth proportional to 575,436,612.12, 794,101,031.10 and 321,115,302.18 is: 443,138,283.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,436,612.12 : 794,101,031.10 = 321,115,302.18 : x
  2. Step 2: Convert to fraction form
    575,436,612.12/794,101,031.10 = 321,115,302.18/x
  3. Step 3: Cross multiply
    575,436,612.12x = 794,101,031.10 × 321,115,302.18
  4. Step 4: Simplify right side
    575,436,612.12x = 254,997,992,563,126,080
  5. Step 5: Solve for x
    x = 254,997,992,563,126,080/575,436,612.12
  6. Step 6: Final answer
    x = 443,138,283.51

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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.