Home / 854,855,344.80-1,282,283,017.20-492,058,288.80

Finding the Fourth Proportional to 854,855,344.80, 1,282,283,017.20 and 492,058,288.80

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Solution

The fourth proportional to 854,855,344.80, 1,282,283,017.20 and 492,058,288.80 is: 738,087,433.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,855,344.80 : 1,282,283,017.20 = 492,058,288.80 : x
  2. Step 2: Convert to fraction form
    854,855,344.80/1,282,283,017.20 = 492,058,288.80/x
  3. Step 3: Cross multiply
    854,855,344.80x = 1,282,283,017.20 × 492,058,288.80
  4. Step 4: Simplify right side
    854,855,344.80x = 630,957,987,200,733,056
  5. Step 5: Solve for x
    x = 630,957,987,200,733,056/854,855,344.80
  6. Step 6: Final answer
    x = 738,087,433.20

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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.