Home / 12,815,676,335.52-19,229,038,819.83-6,919,064,806.32

Finding the Fourth Proportional to 12,815,676,335.52, 19,229,038,819.83 and 6,919,064,806.32

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Solution

The fourth proportional to 12,815,676,335.52, 19,229,038,819.83 and 6,919,064,806.32 is: 10,381,579,736.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,815,676,335.52 : 19,229,038,819.83 = 6,919,064,806.32 : x
  2. Step 2: Convert to fraction form
    12,815,676,335.52/19,229,038,819.83 = 6,919,064,806.32/x
  3. Step 3: Cross multiply
    12,815,676,335.52x = 19,229,038,819.83 × 6,919,064,806.32
  4. Step 4: Simplify right side
    12,815,676,335.52x = 133,046,965,757,646,831,616
  5. Step 5: Solve for x
    x = 133,046,965,757,646,831,616/12,815,676,335.52
  6. Step 6: Final answer
    x = 10,381,579,736.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.