Home / 486,781,340.23-730,165,632.42-118,315,222.10

Finding the Fourth Proportional to 486,781,340.23, 730,165,632.42 and 118,315,222.10

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Solution

The fourth proportional to 486,781,340.23, 730,165,632.42 and 118,315,222.10 is: 177,471,282.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,781,340.23 : 730,165,632.42 = 118,315,222.10 : x
  2. Step 2: Convert to fraction form
    486,781,340.23/730,165,632.42 = 118,315,222.10/x
  3. Step 3: Cross multiply
    486,781,340.23x = 730,165,632.42 × 118,315,222.10
  4. Step 4: Simplify right side
    486,781,340.23x = 86,389,708,973,193,776
  5. Step 5: Solve for x
    x = 86,389,708,973,193,776/486,781,340.23
  6. Step 6: Final answer
    x = 177,471,282.96

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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.