Home / 37,618,018,607.24-51,901,178,718.66-21,338,942,473.16

Finding the Fourth Proportional to 37,618,018,607.24, 51,901,178,718.66 and 21,338,942,473.16

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Solution

The fourth proportional to 37,618,018,607.24, 51,901,178,718.66 and 21,338,942,473.16 is: 29,441,111,147.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,618,018,607.24 : 51,901,178,718.66 = 21,338,942,473.16 : x
  2. Step 2: Convert to fraction form
    37,618,018,607.24/51,901,178,718.66 = 21,338,942,473.16/x
  3. Step 3: Cross multiply
    37,618,018,607.24x = 51,901,178,718.66 × 21,338,942,473.16
  4. Step 4: Simplify right side
    37,618,018,607.24x = 1,107,516,266,966,681,911,296
  5. Step 5: Solve for x
    x = 1,107,516,266,966,681,911,296/37,618,018,607.24
  6. Step 6: Final answer
    x = 29,441,111,147.56

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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.