Home / 1,045,327,128.20-1,568,226,920.67-345,817,612.16

Finding the Fourth Proportional to 1,045,327,128.20, 1,568,226,920.67 and 345,817,612.16

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Solution

The fourth proportional to 1,045,327,128.20, 1,568,226,920.67 and 345,817,612.16 is: 518,804,567.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,045,327,128.20 : 1,568,226,920.67 = 345,817,612.16 : x
  2. Step 2: Convert to fraction form
    1,045,327,128.20/1,568,226,920.67 = 345,817,612.16/x
  3. Step 3: Cross multiply
    1,045,327,128.20x = 1,568,226,920.67 × 345,817,612.16
  4. Step 4: Simplify right side
    1,045,327,128.20x = 542,320,489,031,129,216
  5. Step 5: Solve for x
    x = 542,320,489,031,129,216/1,045,327,128.20
  6. Step 6: Final answer
    x = 518,804,567.87

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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.