Home / 290,624,974,716.60-435,937,462,074.90-212,260,810,620.60

Finding the Fourth Proportional to 290,624,974,716.60, 435,937,462,074.90 and 212,260,810,620.60

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Solution

The fourth proportional to 290,624,974,716.60, 435,937,462,074.90 and 212,260,810,620.60 is: 318,391,215,930.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,624,974,716.60 : 435,937,462,074.90 = 212,260,810,620.60 : x
  2. Step 2: Convert to fraction form
    290,624,974,716.60/435,937,462,074.90 = 212,260,810,620.60/x
  3. Step 3: Cross multiply
    290,624,974,716.60x = 435,937,462,074.90 × 212,260,810,620.60
  4. Step 4: Simplify right side
    290,624,974,716.60x = 92,532,439,079,905,354,842,112
  5. Step 5: Solve for x
    x = 92,532,439,079,905,354,842,112/290,624,974,716.60
  6. Step 6: Final answer
    x = 318,391,215,930.90

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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.