Home / 37,013,979,968.36-51,079,292,356.42-21,172,786,640.36

Finding the Fourth Proportional to 37,013,979,968.36, 51,079,292,356.42 and 21,172,786,640.36

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Solution

The fourth proportional to 37,013,979,968.36, 51,079,292,356.42 and 21,172,786,640.36 is: 29,218,445,563.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,013,979,968.36 : 51,079,292,356.42 = 21,172,786,640.36 : x
  2. Step 2: Convert to fraction form
    37,013,979,968.36/51,079,292,356.42 = 21,172,786,640.36/x
  3. Step 3: Cross multiply
    37,013,979,968.36x = 51,079,292,356.42 × 21,172,786,640.36
  4. Step 4: Simplify right side
    37,013,979,968.36x = 1,081,490,958,803,052,003,328
  5. Step 5: Solve for x
    x = 1,081,490,958,803,052,003,328/37,013,979,968.36
  6. Step 6: Final answer
    x = 29,218,445,563.74

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Double scale
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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.