Home / 1,311,217,966,817.50-1,809,359,362,463.40-725,255,200,965.69

Finding the Fourth Proportional to 1,311,217,966,817.50, 1,809,359,362,463.40 and 725,255,200,965.69

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Solution

The fourth proportional to 1,311,217,966,817.50, 1,809,359,362,463.40 and 725,255,200,965.69 is: 1,000,785,011,532.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,311,217,966,817.50 : 1,809,359,362,463.40 = 725,255,200,965.69 : x
  2. Step 2: Convert to fraction form
    1,311,217,966,817.50/1,809,359,362,463.40 = 725,255,200,965.69/x
  3. Step 3: Cross multiply
    1,311,217,966,817.50x = 1,809,359,362,463.40 × 725,255,200,965.69
  4. Step 4: Simplify right side
    1,311,217,966,817.50x = 1,312,247,288,042,545,597,120,512
  5. Step 5: Solve for x
    x = 1,312,247,288,042,545,597,120,512/1,311,217,966,817.50
  6. Step 6: Final answer
    x = 1,000,785,011,532.10

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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.