Home / 231,605,352,944.73-347,209,059,899.90-80,492,021,477.55

Finding the Fourth Proportional to 231,605,352,944.73, 347,209,059,899.90 and 80,492,021,477.55

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Solution

The fourth proportional to 231,605,352,944.73, 347,209,059,899.90 and 80,492,021,477.55 is: 120,668,882,438.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,605,352,944.73 : 347,209,059,899.90 = 80,492,021,477.55 : x
  2. Step 2: Convert to fraction form
    231,605,352,944.73/347,209,059,899.90 = 80,492,021,477.55/x
  3. Step 3: Cross multiply
    231,605,352,944.73x = 347,209,059,899.90 × 80,492,021,477.55
  4. Step 4: Simplify right side
    231,605,352,944.73x = 27,947,559,106,662,698,582,016
  5. Step 5: Solve for x
    x = 27,947,559,106,662,698,582,016/231,605,352,944.73
  6. Step 6: Final answer
    x = 120,668,882,438.71

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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.