Home / 21,074,005,180.78-31,612,865,858.07-5,947,709,312.92

Finding the Fourth Proportional to 21,074,005,180.78, 31,612,865,858.07 and 5,947,709,312.92

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Solution

The fourth proportional to 21,074,005,180.78, 31,612,865,858.07 and 5,947,709,312.92 is: 8,922,088,376.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,074,005,180.78 : 31,612,865,858.07 = 5,947,709,312.92 : x
  2. Step 2: Convert to fraction form
    21,074,005,180.78/31,612,865,858.07 = 5,947,709,312.92/x
  3. Step 3: Cross multiply
    21,074,005,180.78x = 31,612,865,858.07 × 5,947,709,312.92
  4. Step 4: Simplify right side
    21,074,005,180.78x = 188,024,136,672,133,644,288
  5. Step 5: Solve for x
    x = 188,024,136,672,133,644,288/21,074,005,180.78
  6. Step 6: Final answer
    x = 8,922,088,376.61

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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.