Home / 290,879,367,288.32-435,933,327,110.40-149,383,073,492.48

Finding the Fourth Proportional to 290,879,367,288.32, 435,933,327,110.40 and 149,383,073,492.48

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Solution

The fourth proportional to 290,879,367,288.32, 435,933,327,110.40 and 149,383,073,492.48 is: 223,876,519,151.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,879,367,288.32 : 435,933,327,110.40 = 149,383,073,492.48 : x
  2. Step 2: Convert to fraction form
    290,879,367,288.32/435,933,327,110.40 = 149,383,073,492.48/x
  3. Step 3: Cross multiply
    290,879,367,288.32x = 435,933,327,110.40 × 149,383,073,492.48
  4. Step 4: Simplify right side
    290,879,367,288.32x = 65,121,060,241,554,213,437,440
  5. Step 5: Solve for x
    x = 65,121,060,241,554,213,437,440/290,879,367,288.32
  6. Step 6: Final answer
    x = 223,876,519,151.69

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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.