Home / 22,686,401,216.73-31,309,979,045.28-12,911,914,868.47

Finding the Fourth Proportional to 22,686,401,216.73, 31,309,979,045.28 and 12,911,914,868.47

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Solution

The fourth proportional to 22,686,401,216.73, 31,309,979,045.28 and 12,911,914,868.47 is: 17,820,005,037.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,686,401,216.73 : 31,309,979,045.28 = 12,911,914,868.47 : x
  2. Step 2: Convert to fraction form
    22,686,401,216.73/31,309,979,045.28 = 12,911,914,868.47/x
  3. Step 3: Cross multiply
    22,686,401,216.73x = 31,309,979,045.28 × 12,911,914,868.47
  4. Step 4: Simplify right side
    22,686,401,216.73x = 404,271,783,966,234,902,528
  5. Step 5: Solve for x
    x = 404,271,783,966,234,902,528/22,686,401,216.73
  6. Step 6: Final answer
    x = 17,820,005,037.56

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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.