Home / 231,787,010,821.60-347,680,516,232.40-222,644,525,010.40

Finding the Fourth Proportional to 231,787,010,821.60, 347,680,516,232.40 and 222,644,525,010.40

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Solution

The fourth proportional to 231,787,010,821.60, 347,680,516,232.40 and 222,644,525,010.40 is: 333,966,787,515.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,787,010,821.60 : 347,680,516,232.40 = 222,644,525,010.40 : x
  2. Step 2: Convert to fraction form
    231,787,010,821.60/347,680,516,232.40 = 222,644,525,010.40/x
  3. Step 3: Cross multiply
    231,787,010,821.60x = 347,680,516,232.40 × 222,644,525,010.40
  4. Step 4: Simplify right side
    231,787,010,821.60x = 77,409,163,391,933,360,373,760
  5. Step 5: Solve for x
    x = 77,409,163,391,933,360,373,760/231,787,010,821.60
  6. Step 6: Final answer
    x = 333,966,787,515.60

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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.