Home / 945,164,607.87-1,304,399,273.22-521,859,877.56

Finding the Fourth Proportional to 945,164,607.87, 1,304,399,273.22 and 521,859,877.56

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Solution

The fourth proportional to 945,164,607.87, 1,304,399,273.22 and 521,859,877.56 is: 720,206,448.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,164,607.87 : 1,304,399,273.22 = 521,859,877.56 : x
  2. Step 2: Convert to fraction form
    945,164,607.87/1,304,399,273.22 = 521,859,877.56/x
  3. Step 3: Cross multiply
    945,164,607.87x = 1,304,399,273.22 × 521,859,877.56
  4. Step 4: Simplify right side
    945,164,607.87x = 680,713,645,011,942,144
  5. Step 5: Solve for x
    x = 680,713,645,011,942,144/945,164,607.87
  6. Step 6: Final answer
    x = 720,206,448.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.