Home / 660,026,493.40-988,528,085.70-336,532,451.80

Finding the Fourth Proportional to 660,026,493.40, 988,528,085.70 and 336,532,451.80

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Solution

The fourth proportional to 660,026,493.40, 988,528,085.70 and 336,532,451.80 is: 504,027,919.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,026,493.40 : 988,528,085.70 = 336,532,451.80 : x
  2. Step 2: Convert to fraction form
    660,026,493.40/988,528,085.70 = 336,532,451.80/x
  3. Step 3: Cross multiply
    660,026,493.40x = 988,528,085.70 × 336,532,451.80
  4. Step 4: Simplify right side
    660,026,493.40x = 332,671,780,353,781,568
  5. Step 5: Solve for x
    x = 332,671,780,353,781,568/660,026,493.40
  6. Step 6: Final answer
    x = 504,027,919.61

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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.