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Finding the Fourth Proportional to 1,956,813,986, 2,935,220,944.44 and 713,337,686.48

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Solution

The fourth proportional to 1,956,813,986, 2,935,220,944.44 and 713,337,686.48 is: 1,070,006,517.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,956,813,986 : 2,935,220,944.44 = 713,337,686.48 : x
  2. Step 2: Convert to fraction form
    1,956,813,986/2,935,220,944.44 = 713,337,686.48/x
  3. Step 3: Cross multiply
    1,956,813,986x = 2,935,220,944.44 × 713,337,686.48
  4. Step 4: Simplify right side
    1,956,813,986x = 2,093,803,717,814,470,400
  5. Step 5: Solve for x
    x = 2,093,803,717,814,470,400/1,956,813,986
  6. Step 6: Final answer
    x = 1,070,006,517.12

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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.