Home / 414,781,971.28-621,738,357.62-193,270,686.66

Finding the Fourth Proportional to 414,781,971.28, 621,738,357.62 and 193,270,686.66

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Solution

The fourth proportional to 414,781,971.28, 621,738,357.62 and 193,270,686.66 is: 289,703,525.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,781,971.28 : 621,738,357.62 = 193,270,686.66 : x
  2. Step 2: Convert to fraction form
    414,781,971.28/621,738,357.62 = 193,270,686.66/x
  3. Step 3: Cross multiply
    414,781,971.28x = 621,738,357.62 × 193,270,686.66
  4. Step 4: Simplify right side
    414,781,971.28x = 120,163,799,299,111,696
  5. Step 5: Solve for x
    x = 120,163,799,299,111,696/414,781,971.28
  6. Step 6: Final answer
    x = 289,703,525.27

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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.