Home / 648,236,144.26-972,356,708.31-156,948,595.30

Finding the Fourth Proportional to 648,236,144.26, 972,356,708.31 and 156,948,595.30

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Solution

The fourth proportional to 648,236,144.26, 972,356,708.31 and 156,948,595.30 is: 235,423,496.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,236,144.26 : 972,356,708.31 = 156,948,595.30 : x
  2. Step 2: Convert to fraction form
    648,236,144.26/972,356,708.31 = 156,948,595.30/x
  3. Step 3: Cross multiply
    648,236,144.26x = 972,356,708.31 × 156,948,595.30
  4. Step 4: Simplify right side
    648,236,144.26x = 152,610,019,499,786,336
  5. Step 5: Solve for x
    x = 152,610,019,499,786,336/648,236,144.26
  6. Step 6: Final answer
    x = 235,423,496.28

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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.