Home / 14,912,375,436.62-20,579,514,395.06-8,138,628,478.16

Finding the Fourth Proportional to 14,912,375,436.62, 20,579,514,395.06 and 8,138,628,478.16

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Solution

The fourth proportional to 14,912,375,436.62, 20,579,514,395.06 and 8,138,628,478.16 is: 11,231,545,412.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,912,375,436.62 : 20,579,514,395.06 = 8,138,628,478.16 : x
  2. Step 2: Convert to fraction form
    14,912,375,436.62/20,579,514,395.06 = 8,138,628,478.16/x
  3. Step 3: Cross multiply
    14,912,375,436.62x = 20,579,514,395.06 × 8,138,628,478.16
  4. Step 4: Simplify right side
    14,912,375,436.62x = 167,489,021,922,298,298,368
  5. Step 5: Solve for x
    x = 167,489,021,922,298,298,368/14,912,375,436.62
  6. Step 6: Final answer
    x = 11,231,545,412.34

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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.