Home / 540,520,486.10-810,780,729.15-367,058,143.70

Finding the Fourth Proportional to 540,520,486.10, 810,780,729.15 and 367,058,143.70

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Solution

The fourth proportional to 540,520,486.10, 810,780,729.15 and 367,058,143.70 is: 550,587,215.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,520,486.10 : 810,780,729.15 = 367,058,143.70 : x
  2. Step 2: Convert to fraction form
    540,520,486.10/810,780,729.15 = 367,058,143.70/x
  3. Step 3: Cross multiply
    540,520,486.10x = 810,780,729.15 × 367,058,143.70
  4. Step 4: Simplify right side
    540,520,486.10x = 297,603,669,389,531,456
  5. Step 5: Solve for x
    x = 297,603,669,389,531,456/540,520,486.10
  6. Step 6: Final answer
    x = 550,587,215.55

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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.