Home / 794,313,811.60-1,191,470,717.40-219,885,139.60

Finding the Fourth Proportional to 794,313,811.60, 1,191,470,717.40 and 219,885,139.60

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Solution

The fourth proportional to 794,313,811.60, 1,191,470,717.40 and 219,885,139.60 is: 329,827,709.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    794,313,811.60 : 1,191,470,717.40 = 219,885,139.60 : x
  2. Step 2: Convert to fraction form
    794,313,811.60/1,191,470,717.40 = 219,885,139.60/x
  3. Step 3: Cross multiply
    794,313,811.60x = 1,191,470,717.40 × 219,885,139.60
  4. Step 4: Simplify right side
    794,313,811.60x = 261,986,705,024,811,168
  5. Step 5: Solve for x
    x = 261,986,705,024,811,168/794,313,811.60
  6. Step 6: Final answer
    x = 329,827,709.40

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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.