Home / 21,074,005,125.32-31,612,865,774.96-5,947,709,257.68

Finding the Fourth Proportional to 21,074,005,125.32, 31,612,865,774.96 and 5,947,709,257.68

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Solution

The fourth proportional to 21,074,005,125.32, 31,612,865,774.96 and 5,947,709,257.68 is: 8,922,088,293.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,074,005,125.32 : 31,612,865,774.96 = 5,947,709,257.68 : x
  2. Step 2: Convert to fraction form
    21,074,005,125.32/31,612,865,774.96 = 5,947,709,257.68/x
  3. Step 3: Cross multiply
    21,074,005,125.32x = 31,612,865,774.96 × 5,947,709,257.68
  4. Step 4: Simplify right side
    21,074,005,125.32x = 188,024,134,431,524,814,848
  5. Step 5: Solve for x
    x = 188,024,134,431,524,814,848/21,074,005,125.32
  6. Step 6: Final answer
    x = 8,922,088,293.77

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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.