Home / 14,912,375,436.37-20,579,514,394.71-8,138,628,477.91

Finding the Fourth Proportional to 14,912,375,436.37, 20,579,514,394.71 and 8,138,628,477.91

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Solution

The fourth proportional to 14,912,375,436.37, 20,579,514,394.71 and 8,138,628,477.91 is: 11,231,545,412.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,912,375,436.37 : 20,579,514,394.71 = 8,138,628,477.91 : x
  2. Step 2: Convert to fraction form
    14,912,375,436.37/20,579,514,394.71 = 8,138,628,477.91/x
  3. Step 3: Cross multiply
    14,912,375,436.37x = 20,579,514,394.71 × 8,138,628,477.91
  4. Step 4: Simplify right side
    14,912,375,436.37x = 167,489,021,914,345,570,304
  5. Step 5: Solve for x
    x = 167,489,021,914,345,570,304/14,912,375,436.37
  6. Step 6: Final answer
    x = 11,231,545,412.00

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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.