Home / 7,621,517,231.53-11,428,350,490.80-3,420,868,936.23

Finding the Fourth Proportional to 7,621,517,231.53, 11,428,350,490.80 and 3,420,868,936.23

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Solution

The fourth proportional to 7,621,517,231.53, 11,428,350,490.80 and 3,420,868,936.23 is: 5,129,541,533.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,621,517,231.53 : 11,428,350,490.80 = 3,420,868,936.23 : x
  2. Step 2: Convert to fraction form
    7,621,517,231.53/11,428,350,490.80 = 3,420,868,936.23/x
  3. Step 3: Cross multiply
    7,621,517,231.53x = 11,428,350,490.80 × 3,420,868,936.23
  4. Step 4: Simplify right side
    7,621,517,231.53x = 39,094,889,186,326,593,536
  5. Step 5: Solve for x
    x = 39,094,889,186,326,593,536/7,621,517,231.53
  6. Step 6: Final answer
    x = 5,129,541,533.36

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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.