Home / 21,071,218,700.40-31,594,205,227.68-6,706,722,545.52

Finding the Fourth Proportional to 21,071,218,700.40, 31,594,205,227.68 and 6,706,722,545.52

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Solution

The fourth proportional to 21,071,218,700.40, 31,594,205,227.68 and 6,706,722,545.52 is: 10,056,066,121.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,071,218,700.40 : 31,594,205,227.68 = 6,706,722,545.52 : x
  2. Step 2: Convert to fraction form
    21,071,218,700.40/31,594,205,227.68 = 6,706,722,545.52/x
  3. Step 3: Cross multiply
    21,071,218,700.40x = 31,594,205,227.68 × 6,706,722,545.52
  4. Step 4: Simplify right side
    21,071,218,700.40x = 211,893,568,508,267,331,584
  5. Step 5: Solve for x
    x = 211,893,568,508,267,331,584/21,071,218,700.40
  6. Step 6: Final answer
    x = 10,056,066,121.33

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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.