Home / 918,267,504.30-1,378,836,147.15-530,847,015.30

Finding the Fourth Proportional to 918,267,504.30, 1,378,836,147.15 and 530,847,015.30

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Solution

The fourth proportional to 918,267,504.30, 1,378,836,147.15 and 530,847,015.30 is: 797,100,027.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,267,504.30 : 1,378,836,147.15 = 530,847,015.30 : x
  2. Step 2: Convert to fraction form
    918,267,504.30/1,378,836,147.15 = 530,847,015.30/x
  3. Step 3: Cross multiply
    918,267,504.30x = 1,378,836,147.15 × 530,847,015.30
  4. Step 4: Simplify right side
    918,267,504.30x = 731,951,053,302,329,216
  5. Step 5: Solve for x
    x = 731,951,053,302,329,216/918,267,504.30
  6. Step 6: Final answer
    x = 797,100,027.91

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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.