Home / 28,644,766,312.68-39,243,469,869.80-27,571,167,011.48

Finding the Fourth Proportional to 28,644,766,312.68, 39,243,469,869.80 and 27,571,167,011.48

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Solution

The fourth proportional to 28,644,766,312.68, 39,243,469,869.80 and 27,571,167,011.48 is: 37,772,633,579.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,644,766,312.68 : 39,243,469,869.80 = 27,571,167,011.48 : x
  2. Step 2: Convert to fraction form
    28,644,766,312.68/39,243,469,869.80 = 27,571,167,011.48/x
  3. Step 3: Cross multiply
    28,644,766,312.68x = 39,243,469,869.80 × 27,571,167,011.48
  4. Step 4: Simplify right side
    28,644,766,312.68x = 1,081,988,261,890,239,102,976
  5. Step 5: Solve for x
    x = 1,081,988,261,890,239,102,976/28,644,766,312.68
  6. Step 6: Final answer
    x = 37,772,633,579.18

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.