Home / 12,942,797,349.74-17,873,395,943.20-12,237,681,972.02

Finding the Fourth Proportional to 12,942,797,349.74, 17,873,395,943.20 and 12,237,681,972.02

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Solution

The fourth proportional to 12,942,797,349.74, 17,873,395,943.20 and 12,237,681,972.02 is: 16,899,664,686.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,942,797,349.74 : 17,873,395,943.20 = 12,237,681,972.02 : x
  2. Step 2: Convert to fraction form
    12,942,797,349.74/17,873,395,943.20 = 12,237,681,972.02/x
  3. Step 3: Cross multiply
    12,942,797,349.74x = 17,873,395,943.20 × 12,237,681,972.02
  4. Step 4: Simplify right side
    12,942,797,349.74x = 218,728,935,312,874,045,440
  5. Step 5: Solve for x
    x = 218,728,935,312,874,045,440/12,942,797,349.74
  6. Step 6: Final answer
    x = 16,899,664,686.26

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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.