Home / 1,237,265,659.37-1,855,723,752.18-396,799,189.90

Finding the Fourth Proportional to 1,237,265,659.37, 1,855,723,752.18 and 396,799,189.90

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Solution

The fourth proportional to 1,237,265,659.37, 1,855,723,752.18 and 396,799,189.90 is: 595,142,745.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,237,265,659.37 : 1,855,723,752.18 = 396,799,189.90 : x
  2. Step 2: Convert to fraction form
    1,237,265,659.37/1,855,723,752.18 = 396,799,189.90/x
  3. Step 3: Cross multiply
    1,237,265,659.37x = 1,855,723,752.18 × 396,799,189.90
  4. Step 4: Simplify right side
    1,237,265,659.37x = 736,349,681,538,573,056
  5. Step 5: Solve for x
    x = 736,349,681,538,573,056/1,237,265,659.37
  6. Step 6: Final answer
    x = 595,142,745.59

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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.