Home / 15,816,626,243.91-21,825,501,548.54-9,385,337,968.43

Finding the Fourth Proportional to 15,816,626,243.91, 21,825,501,548.54 and 9,385,337,968.43

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Solution

The fourth proportional to 15,816,626,243.91, 21,825,501,548.54 and 9,385,337,968.43 is: 12,950,910,339.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,816,626,243.91 : 21,825,501,548.54 = 9,385,337,968.43 : x
  2. Step 2: Convert to fraction form
    15,816,626,243.91/21,825,501,548.54 = 9,385,337,968.43/x
  3. Step 3: Cross multiply
    15,816,626,243.91x = 21,825,501,548.54 × 9,385,337,968.43
  4. Step 4: Simplify right side
    15,816,626,243.91x = 204,839,708,363,384,160,256
  5. Step 5: Solve for x
    x = 204,839,708,363,384,160,256/15,816,626,243.91
  6. Step 6: Final answer
    x = 12,950,910,339.82

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1.5x scale

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.