Home / 362,349,919.20-542,987,401.44-266,141,514.72

Finding the Fourth Proportional to 362,349,919.20, 542,987,401.44 and 266,141,514.72

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Solution

The fourth proportional to 362,349,919.20, 542,987,401.44 and 266,141,514.72 is: 398,817,501.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,349,919.20 : 542,987,401.44 = 266,141,514.72 : x
  2. Step 2: Convert to fraction form
    362,349,919.20/542,987,401.44 = 266,141,514.72/x
  3. Step 3: Cross multiply
    362,349,919.20x = 542,987,401.44 × 266,141,514.72
  4. Step 4: Simplify right side
    362,349,919.20x = 144,511,489,493,118,336
  5. Step 5: Solve for x
    x = 144,511,489,493,118,336/362,349,919.20
  6. Step 6: Final answer
    x = 398,817,501.64

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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.