Home / 810,976,335.75-1,216,585,898.73-293,527,843.56

Finding the Fourth Proportional to 810,976,335.75, 1,216,585,898.73 and 293,527,843.56

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Solution

The fourth proportional to 810,976,335.75, 1,216,585,898.73 and 293,527,843.56 is: 440,335,703.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,976,335.75 : 1,216,585,898.73 = 293,527,843.56 : x
  2. Step 2: Convert to fraction form
    810,976,335.75/1,216,585,898.73 = 293,527,843.56/x
  3. Step 3: Cross multiply
    810,976,335.75x = 1,216,585,898.73 × 293,527,843.56
  4. Step 4: Simplify right side
    810,976,335.75x = 357,101,835,359,721,472
  5. Step 5: Solve for x
    x = 357,101,835,359,721,472/810,976,335.75
  6. Step 6: Final answer
    x = 440,335,703.54

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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.