Home / 15,753,545,277.20-21,739,636,678.40-8,616,896,662.56

Finding the Fourth Proportional to 15,753,545,277.20, 21,739,636,678.40 and 8,616,896,662.56

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Solution

The fourth proportional to 15,753,545,277.20, 21,739,636,678.40 and 8,616,896,662.56 is: 11,891,177,474.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,753,545,277.20 : 21,739,636,678.40 = 8,616,896,662.56 : x
  2. Step 2: Convert to fraction form
    15,753,545,277.20/21,739,636,678.40 = 8,616,896,662.56/x
  3. Step 3: Cross multiply
    15,753,545,277.20x = 21,739,636,678.40 × 8,616,896,662.56
  4. Step 4: Simplify right side
    15,753,545,277.20x = 187,328,202,739,371,933,696
  5. Step 5: Solve for x
    x = 187,328,202,739,371,933,696/15,753,545,277.20
  6. Step 6: Final answer
    x = 11,891,177,474.22

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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.