Home / 1,271,856,009.70-1,907,784,014.55-996,356,995.30

Finding the Fourth Proportional to 1,271,856,009.70, 1,907,784,014.55 and 996,356,995.30

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Solution

The fourth proportional to 1,271,856,009.70, 1,907,784,014.55 and 996,356,995.30 is: 1,494,535,492.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,271,856,009.70 : 1,907,784,014.55 = 996,356,995.30 : x
  2. Step 2: Convert to fraction form
    1,271,856,009.70/1,907,784,014.55 = 996,356,995.30/x
  3. Step 3: Cross multiply
    1,271,856,009.70x = 1,907,784,014.55 × 996,356,995.30
  4. Step 4: Simplify right side
    1,271,856,009.70x = 1,900,833,948,418,409,216
  5. Step 5: Solve for x
    x = 1,900,833,948,418,409,216/1,271,856,009.70
  6. Step 6: Final answer
    x = 1,494,535,492.95

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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.