Home / 8,229,120,047.36-12,343,646,478.72-2,988,718,127.36

Finding the Fourth Proportional to 8,229,120,047.36, 12,343,646,478.72 and 2,988,718,127.36

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Solution

The fourth proportional to 8,229,120,047.36, 12,343,646,478.72 and 2,988,718,127.36 is: 4,483,064,990.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,229,120,047.36 : 12,343,646,478.72 = 2,988,718,127.36 : x
  2. Step 2: Convert to fraction form
    8,229,120,047.36/12,343,646,478.72 = 2,988,718,127.36/x
  3. Step 3: Cross multiply
    8,229,120,047.36x = 12,343,646,478.72 × 2,988,718,127.36
  4. Step 4: Simplify right side
    8,229,120,047.36x = 36,891,679,988,673,896,448
  5. Step 5: Solve for x
    x = 36,891,679,988,673,896,448/8,229,120,047.36
  6. Step 6: Final answer
    x = 4,483,064,990.71

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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.