Home / 19,359,629,673.60-28,991,071,569.60-15,489,794,409.60

Finding the Fourth Proportional to 19,359,629,673.60, 28,991,071,569.60 and 15,489,794,409.60

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Solution

The fourth proportional to 19,359,629,673.60, 28,991,071,569.60 and 15,489,794,409.60 is: 23,195,988,037.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,359,629,673.60 : 28,991,071,569.60 = 15,489,794,409.60 : x
  2. Step 2: Convert to fraction form
    19,359,629,673.60/28,991,071,569.60 = 15,489,794,409.60/x
  3. Step 3: Cross multiply
    19,359,629,673.60x = 28,991,071,569.60 × 15,489,794,409.60
  4. Step 4: Simplify right side
    19,359,629,673.60x = 449,065,738,327,103,569,920
  5. Step 5: Solve for x
    x = 449,065,738,327,103,569,920/19,359,629,673.60
  6. Step 6: Final answer
    x = 23,195,988,037.91

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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.