Home / 1,420,946,598-1,960,806,759.92-826,188,887.12

Finding the Fourth Proportional to 1,420,946,598, 1,960,806,759.92 and 826,188,887.12

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Solution

The fourth proportional to 1,420,946,598, 1,960,806,759.92 and 826,188,887.12 is: 1,140,082,785.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,946,598 : 1,960,806,759.92 = 826,188,887.12 : x
  2. Step 2: Convert to fraction form
    1,420,946,598/1,960,806,759.92 = 826,188,887.12/x
  3. Step 3: Cross multiply
    1,420,946,598x = 1,960,806,759.92 × 826,188,887.12
  4. Step 4: Simplify right side
    1,420,946,598x = 1,619,996,754,835,677,952
  5. Step 5: Solve for x
    x = 1,619,996,754,835,677,952/1,420,946,598
  6. Step 6: Final answer
    x = 1,140,082,785.04

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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.