Home / 1,957,921,011.45-2,936,881,517.18-665,456,499.45

Finding the Fourth Proportional to 1,957,921,011.45, 2,936,881,517.18 and 665,456,499.45

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Solution

The fourth proportional to 1,957,921,011.45, 2,936,881,517.18 and 665,456,499.45 is: 998,184,749.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,957,921,011.45 : 2,936,881,517.18 = 665,456,499.45 : x
  2. Step 2: Convert to fraction form
    1,957,921,011.45/2,936,881,517.18 = 665,456,499.45/x
  3. Step 3: Cross multiply
    1,957,921,011.45x = 2,936,881,517.18 × 665,456,499.45
  4. Step 4: Simplify right side
    1,957,921,011.45x = 1,954,366,893,718,680,832
  5. Step 5: Solve for x
    x = 1,954,366,893,718,680,832/1,957,921,011.45
  6. Step 6: Final answer
    x = 998,184,749.18

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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.