Home / 37,618,018,614.24-51,901,178,728.32-21,338,942,480.16

Finding the Fourth Proportional to 37,618,018,614.24, 51,901,178,728.32 and 21,338,942,480.16

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Solution

The fourth proportional to 37,618,018,614.24, 51,901,178,728.32 and 21,338,942,480.16 is: 29,441,111,157.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,618,018,614.24 : 51,901,178,728.32 = 21,338,942,480.16 : x
  2. Step 2: Convert to fraction form
    37,618,018,614.24/51,901,178,728.32 = 21,338,942,480.16/x
  3. Step 3: Cross multiply
    37,618,018,614.24x = 51,901,178,728.32 × 21,338,942,480.16
  4. Step 4: Simplify right side
    37,618,018,614.24x = 1,107,516,267,536,124,215,296
  5. Step 5: Solve for x
    x = 1,107,516,267,536,124,215,296/37,618,018,614.24
  6. Step 6: Final answer
    x = 29,441,111,157.22

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Double scale
Find fourth proportional to 37,618,018,615.24, 51,901,178,729.70 and 21,338,942,481.16
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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.