Home / 1,259,731,989.30-1,889,597,983.95-996,704,123.70

Finding the Fourth Proportional to 1,259,731,989.30, 1,889,597,983.95 and 996,704,123.70

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Solution

The fourth proportional to 1,259,731,989.30, 1,889,597,983.95 and 996,704,123.70 is: 1,495,056,185.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,731,989.30 : 1,889,597,983.95 = 996,704,123.70 : x
  2. Step 2: Convert to fraction form
    1,259,731,989.30/1,889,597,983.95 = 996,704,123.70/x
  3. Step 3: Cross multiply
    1,259,731,989.30x = 1,889,597,983.95 × 996,704,123.70
  4. Step 4: Simplify right side
    1,259,731,989.30x = 1,883,370,102,738,171,648
  5. Step 5: Solve for x
    x = 1,883,370,102,738,171,648/1,259,731,989.30
  6. Step 6: Final answer
    x = 1,495,056,185.55

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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.