Home / 12,857,140,928.88-19,285,776,401.94-4,013,238,427.38

Finding the Fourth Proportional to 12,857,140,928.88, 19,285,776,401.94 and 4,013,238,427.38

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Solution

The fourth proportional to 12,857,140,928.88, 19,285,776,401.94 and 4,013,238,427.38 is: 6,019,877,932.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,857,140,928.88 : 19,285,776,401.94 = 4,013,238,427.38 : x
  2. Step 2: Convert to fraction form
    12,857,140,928.88/19,285,776,401.94 = 4,013,238,427.38/x
  3. Step 3: Cross multiply
    12,857,140,928.88x = 19,285,776,401.94 × 4,013,238,427.38
  4. Step 4: Simplify right side
    12,857,140,928.88x = 77,398,418,958,123,991,040
  5. Step 5: Solve for x
    x = 77,398,418,958,123,991,040/12,857,140,928.88
  6. Step 6: Final answer
    x = 6,019,877,932.91

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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.