Home / 638,258,343.60-957,387,515.40-229,327,834.80

Finding the Fourth Proportional to 638,258,343.60, 957,387,515.40 and 229,327,834.80

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Solution

The fourth proportional to 638,258,343.60, 957,387,515.40 and 229,327,834.80 is: 343,991,752.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,258,343.60 : 957,387,515.40 = 229,327,834.80 : x
  2. Step 2: Convert to fraction form
    638,258,343.60/957,387,515.40 = 229,327,834.80/x
  3. Step 3: Cross multiply
    638,258,343.60x = 957,387,515.40 × 229,327,834.80
  4. Step 4: Simplify right side
    638,258,343.60x = 219,555,605,971,233,664
  5. Step 5: Solve for x
    x = 219,555,605,971,233,664/638,258,343.60
  6. Step 6: Final answer
    x = 343,991,752.20

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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.