Home / 18,755,514,011.70-28,127,298,013.56-6,161,449,111.38

Finding the Fourth Proportional to 18,755,514,011.70, 28,127,298,013.56 and 6,161,449,111.38

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Solution

The fourth proportional to 18,755,514,011.70, 28,127,298,013.56 and 6,161,449,111.38 is: 9,240,211,451.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,755,514,011.70 : 28,127,298,013.56 = 6,161,449,111.38 : x
  2. Step 2: Convert to fraction form
    18,755,514,011.70/28,127,298,013.56 = 6,161,449,111.38/x
  3. Step 3: Cross multiply
    18,755,514,011.70x = 28,127,298,013.56 × 6,161,449,111.38
  4. Step 4: Simplify right side
    18,755,514,011.70x = 173,304,915,351,169,728,512
  5. Step 5: Solve for x
    x = 173,304,915,351,169,728,512/18,755,514,011.70
  6. Step 6: Final answer
    x = 9,240,211,451.58

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1.5x scale

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.