Home / 486,986,875.96-672,023,884.18-263,963,769.09

Finding the Fourth Proportional to 486,986,875.96, 672,023,884.18 and 263,963,769.09

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Solution

The fourth proportional to 486,986,875.96, 672,023,884.18 and 263,963,769.09 is: 364,260,242.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,986,875.96 : 672,023,884.18 = 263,963,769.09 : x
  2. Step 2: Convert to fraction form
    486,986,875.96/672,023,884.18 = 263,963,769.09/x
  3. Step 3: Cross multiply
    486,986,875.96x = 672,023,884.18 × 263,963,769.09
  4. Step 4: Simplify right side
    486,986,875.96x = 177,389,957,386,654,400
  5. Step 5: Solve for x
    x = 177,389,957,386,654,400/486,986,875.96
  6. Step 6: Final answer
    x = 364,260,242.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.