Home / 648,370,474.40-972,555,711.60-194,500,906.40

Finding the Fourth Proportional to 648,370,474.40, 972,555,711.60 and 194,500,906.40

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Solution

The fourth proportional to 648,370,474.40, 972,555,711.60 and 194,500,906.40 is: 291,751,359.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,370,474.40 : 972,555,711.60 = 194,500,906.40 : x
  2. Step 2: Convert to fraction form
    648,370,474.40/972,555,711.60 = 194,500,906.40/x
  3. Step 3: Cross multiply
    648,370,474.40x = 972,555,711.60 × 194,500,906.40
  4. Step 4: Simplify right side
    648,370,474.40x = 189,162,967,430,696,992
  5. Step 5: Solve for x
    x = 189,162,967,430,696,992/648,370,474.40
  6. Step 6: Final answer
    x = 291,751,359.60

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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.