Home / 13,866,267,807.76-19,135,486,664.04-7,522,635,640.72

Finding the Fourth Proportional to 13,866,267,807.76, 19,135,486,664.04 and 7,522,635,640.72

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Solution

The fourth proportional to 13,866,267,807.76, 19,135,486,664.04 and 7,522,635,640.72 is: 10,381,257,305.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,866,267,807.76 : 19,135,486,664.04 = 7,522,635,640.72 : x
  2. Step 2: Convert to fraction form
    13,866,267,807.76/19,135,486,664.04 = 7,522,635,640.72/x
  3. Step 3: Cross multiply
    13,866,267,807.76x = 19,135,486,664.04 × 7,522,635,640.72
  4. Step 4: Simplify right side
    13,866,267,807.76x = 143,949,293,981,429,579,776
  5. Step 5: Solve for x
    x = 143,949,293,981,429,579,776/13,866,267,807.76
  6. Step 6: Final answer
    x = 10,381,257,305.65

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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.