Home / 648,397,251.60-972,595,877.40-163,723,059.60

Finding the Fourth Proportional to 648,397,251.60, 972,595,877.40 and 163,723,059.60

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Solution

The fourth proportional to 648,397,251.60, 972,595,877.40 and 163,723,059.60 is: 245,584,589.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,397,251.60 : 972,595,877.40 = 163,723,059.60 : x
  2. Step 2: Convert to fraction form
    648,397,251.60/972,595,877.40 = 163,723,059.60/x
  3. Step 3: Cross multiply
    648,397,251.60x = 972,595,877.40 × 163,723,059.60
  4. Step 4: Simplify right side
    648,397,251.60x = 159,236,372,802,274,496
  5. Step 5: Solve for x
    x = 159,236,372,802,274,496/648,397,251.60
  6. Step 6: Final answer
    x = 245,584,589.40

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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.