Home / 19,211,859,711.64-26,510,918,851.32-11,692,649,806.12

Finding the Fourth Proportional to 19,211,859,711.64, 26,510,918,851.32 and 11,692,649,806.12

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Solution

The fourth proportional to 19,211,859,711.64, 26,510,918,851.32 and 11,692,649,806.12 is: 16,134,975,729.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,211,859,711.64 : 26,510,918,851.32 = 11,692,649,806.12 : x
  2. Step 2: Convert to fraction form
    19,211,859,711.64/26,510,918,851.32 = 11,692,649,806.12/x
  3. Step 3: Cross multiply
    19,211,859,711.64x = 26,510,918,851.32 × 11,692,649,806.12
  4. Step 4: Simplify right side
    19,211,859,711.64x = 309,982,890,166,949,838,848
  5. Step 5: Solve for x
    x = 309,982,890,166,949,838,848/19,211,859,711.64
  6. Step 6: Final answer
    x = 16,134,975,729.56

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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.