Home / 299,416,161,227.40-449,120,318,823.75-72,774,954,885.03

Finding the Fourth Proportional to 299,416,161,227.40, 449,120,318,823.75 and 72,774,954,885.03

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Solution

The fourth proportional to 299,416,161,227.40, 449,120,318,823.75 and 72,774,954,885.03 is: 109,161,478,813.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,416,161,227.40 : 449,120,318,823.75 = 72,774,954,885.03 : x
  2. Step 2: Convert to fraction form
    299,416,161,227.40/449,120,318,823.75 = 72,774,954,885.03/x
  3. Step 3: Cross multiply
    299,416,161,227.40x = 449,120,318,823.75 × 72,774,954,885.03
  4. Step 4: Simplify right side
    299,416,161,227.40x = 32,684,710,940,348,696,756,224
  5. Step 5: Solve for x
    x = 32,684,710,940,348,696,756,224/299,416,161,227.40
  6. Step 6: Final answer
    x = 109,161,478,813.85

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1.5x scale

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.