Home / 19,141,209,734.56-26,390,315,098.85-15,695,212,101.71

Finding the Fourth Proportional to 19,141,209,734.56, 26,390,315,098.85 and 15,695,212,101.71

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Solution

The fourth proportional to 19,141,209,734.56, 26,390,315,098.85 and 15,695,212,101.71 is: 21,639,258,889.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,141,209,734.56 : 26,390,315,098.85 = 15,695,212,101.71 : x
  2. Step 2: Convert to fraction form
    19,141,209,734.56/26,390,315,098.85 = 15,695,212,101.71/x
  3. Step 3: Cross multiply
    19,141,209,734.56x = 26,390,315,098.85 × 15,695,212,101.71
  4. Step 4: Simplify right side
    19,141,209,734.56x = 414,201,592,907,215,929,344
  5. Step 5: Solve for x
    x = 414,201,592,907,215,929,344/19,141,209,734.56
  6. Step 6: Final answer
    x = 21,639,258,889.65

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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.