Home / 20,436,766,045.60-28,202,684,251.52-11,404,429,131.84

Finding the Fourth Proportional to 20,436,766,045.60, 28,202,684,251.52 and 11,404,429,131.84

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Solution

The fourth proportional to 20,436,766,045.60, 28,202,684,251.52 and 11,404,429,131.84 is: 15,738,082,686.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,436,766,045.60 : 28,202,684,251.52 = 11,404,429,131.84 : x
  2. Step 2: Convert to fraction form
    20,436,766,045.60/28,202,684,251.52 = 11,404,429,131.84/x
  3. Step 3: Cross multiply
    20,436,766,045.60x = 28,202,684,251.52 × 11,404,429,131.84
  4. Step 4: Simplify right side
    20,436,766,045.60x = 321,635,513,874,119,852,032
  5. Step 5: Solve for x
    x = 321,635,513,874,119,852,032/20,436,766,045.60
  6. Step 6: Final answer
    x = 15,738,082,686.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.