Home / 21,608,023,111.03-29,818,431,458.46-11,963,182,938.94

Finding the Fourth Proportional to 21,608,023,111.03, 29,818,431,458.46 and 11,963,182,938.94

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Solution

The fourth proportional to 21,608,023,111.03, 29,818,431,458.46 and 11,963,182,938.94 is: 16,508,837,881.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,608,023,111.03 : 29,818,431,458.46 = 11,963,182,938.94 : x
  2. Step 2: Convert to fraction form
    21,608,023,111.03/29,818,431,458.46 = 11,963,182,938.94/x
  3. Step 3: Cross multiply
    21,608,023,111.03x = 29,818,431,458.46 × 11,963,182,938.94
  4. Step 4: Simplify right side
    21,608,023,111.03x = 356,723,350,489,591,578,624
  5. Step 5: Solve for x
    x = 356,723,350,489,591,578,624/21,608,023,111.03
  6. Step 6: Final answer
    x = 16,508,837,881.96

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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.