Home / 486,200,991.96-729,364,267.08-223,822,260.72

Finding the Fourth Proportional to 486,200,991.96, 729,364,267.08 and 223,822,260.72

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Solution

The fourth proportional to 486,200,991.96, 729,364,267.08 and 223,822,260.72 is: 335,762,291.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,200,991.96 : 729,364,267.08 = 223,822,260.72 : x
  2. Step 2: Convert to fraction form
    486,200,991.96/729,364,267.08 = 223,822,260.72/x
  3. Step 3: Cross multiply
    486,200,991.96x = 729,364,267.08 × 223,822,260.72
  4. Step 4: Simplify right side
    486,200,991.96x = 163,247,959,146,231,488
  5. Step 5: Solve for x
    x = 163,247,959,146,231,488/486,200,991.96
  6. Step 6: Final answer
    x = 335,762,291.41

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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.