Home / 21,974,975,999.20-32,962,463,998.80-21,117,867,954.40

Finding the Fourth Proportional to 21,974,975,999.20, 32,962,463,998.80 and 21,117,867,954.40

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Solution

The fourth proportional to 21,974,975,999.20, 32,962,463,998.80 and 21,117,867,954.40 is: 31,676,801,931.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,974,975,999.20 : 32,962,463,998.80 = 21,117,867,954.40 : x
  2. Step 2: Convert to fraction form
    21,974,975,999.20/32,962,463,998.80 = 21,117,867,954.40/x
  3. Step 3: Cross multiply
    21,974,975,999.20x = 32,962,463,998.80 × 21,117,867,954.40
  4. Step 4: Simplify right side
    21,974,975,999.20x = 696,096,962,178,322,268,160
  5. Step 5: Solve for x
    x = 696,096,962,178,322,268,160/21,974,975,999.20
  6. Step 6: Final answer
    x = 31,676,801,931.60

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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.