Home / 28,803,169,557.30-43,136,806,611.15-17,795,638,139.70

Finding the Fourth Proportional to 28,803,169,557.30, 43,136,806,611.15 and 17,795,638,139.70

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Solution

The fourth proportional to 28,803,169,557.30, 43,136,806,611.15 and 17,795,638,139.70 is: 26,651,476,651.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,803,169,557.30 : 43,136,806,611.15 = 17,795,638,139.70 : x
  2. Step 2: Convert to fraction form
    28,803,169,557.30/43,136,806,611.15 = 17,795,638,139.70/x
  3. Step 3: Cross multiply
    28,803,169,557.30x = 43,136,806,611.15 × 17,795,638,139.70
  4. Step 4: Simplify right side
    28,803,169,557.30x = 767,647,000,954,244,169,728
  5. Step 5: Solve for x
    x = 767,647,000,954,244,169,728/28,803,169,557.30
  6. Step 6: Final answer
    x = 26,651,476,651.80

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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.