Home / 661,544,657.43-992,344,381.65-195,206,065.65

Finding the Fourth Proportional to 661,544,657.43, 992,344,381.65 and 195,206,065.65

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Solution

The fourth proportional to 661,544,657.43, 992,344,381.65 and 195,206,065.65 is: 292,817,182.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,544,657.43 : 992,344,381.65 = 195,206,065.65 : x
  2. Step 2: Convert to fraction form
    661,544,657.43/992,344,381.65 = 195,206,065.65/x
  3. Step 3: Cross multiply
    661,544,657.43x = 992,344,381.65 × 195,206,065.65
  4. Step 4: Simplify right side
    661,544,657.43x = 193,711,642,511,778,560
  5. Step 5: Solve for x
    x = 193,711,642,511,778,560/661,544,657.43
  6. Step 6: Final answer
    x = 292,817,182.24

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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.