Home / 906,436,571.10-1,359,576,972.65-551,818,821.06

Finding the Fourth Proportional to 906,436,571.10, 1,359,576,972.65 and 551,818,821.06

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Solution

The fourth proportional to 906,436,571.10, 1,359,576,972.65 and 551,818,821.06 is: 827,680,817.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,436,571.10 : 1,359,576,972.65 = 551,818,821.06 : x
  2. Step 2: Convert to fraction form
    906,436,571.10/1,359,576,972.65 = 551,818,821.06/x
  3. Step 3: Cross multiply
    906,436,571.10x = 1,359,576,972.65 × 551,818,821.06
  4. Step 4: Simplify right side
    906,436,571.10x = 750,240,162,190,170,112
  5. Step 5: Solve for x
    x = 750,240,162,190,170,112/906,436,571.10
  6. Step 6: Final answer
    x = 827,680,817.51

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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.