Home / 18,665,635,117.23-25,760,935,640.70-12,240,860,301.47

Finding the Fourth Proportional to 18,665,635,117.23, 25,760,935,640.70 and 12,240,860,301.47

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Solution

The fourth proportional to 18,665,635,117.23, 25,760,935,640.70 and 12,240,860,301.47 is: 16,893,934,357.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,665,635,117.23 : 25,760,935,640.70 = 12,240,860,301.47 : x
  2. Step 2: Convert to fraction form
    18,665,635,117.23/25,760,935,640.70 = 12,240,860,301.47/x
  3. Step 3: Cross multiply
    18,665,635,117.23x = 25,760,935,640.70 × 12,240,860,301.47
  4. Step 4: Simplify right side
    18,665,635,117.23x = 315,336,014,413,004,931,072
  5. Step 5: Solve for x
    x = 315,336,014,413,004,931,072/18,665,635,117.23
  6. Step 6: Final answer
    x = 16,893,934,357.58

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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.