Home / 407,721,673.20-611,795,086.20-177,714,008.40

Finding the Fourth Proportional to 407,721,673.20, 611,795,086.20 and 177,714,008.40

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Solution

The fourth proportional to 407,721,673.20, 611,795,086.20 and 177,714,008.40 is: 266,663,668.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,721,673.20 : 611,795,086.20 = 177,714,008.40 : x
  2. Step 2: Convert to fraction form
    407,721,673.20/611,795,086.20 = 177,714,008.40/x
  3. Step 3: Cross multiply
    407,721,673.20x = 611,795,086.20 × 177,714,008.40
  4. Step 4: Simplify right side
    407,721,673.20x = 108,724,557,088,025,536
  5. Step 5: Solve for x
    x = 108,724,557,088,025,536/407,721,673.20
  6. Step 6: Final answer
    x = 266,663,668.46

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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.