Home / 21,074,005,175.28-31,612,865,849.88-5,947,709,307.48

Finding the Fourth Proportional to 21,074,005,175.28, 31,612,865,849.88 and 5,947,709,307.48

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Solution

The fourth proportional to 21,074,005,175.28, 31,612,865,849.88 and 5,947,709,307.48 is: 8,922,088,368.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,074,005,175.28 : 31,612,865,849.88 = 5,947,709,307.48 : x
  2. Step 2: Convert to fraction form
    21,074,005,175.28/31,612,865,849.88 = 5,947,709,307.48/x
  3. Step 3: Cross multiply
    21,074,005,175.28x = 31,612,865,849.88 × 5,947,709,307.48
  4. Step 4: Simplify right side
    21,074,005,175.28x = 188,024,136,451,447,914,496
  5. Step 5: Solve for x
    x = 188,024,136,451,447,914,496/21,074,005,175.28
  6. Step 6: Final answer
    x = 8,922,088,368.47

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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.