Home / 276,735,888,922.15-415,103,833,383.23-77,989,178,065.15

Finding the Fourth Proportional to 276,735,888,922.15, 415,103,833,383.23 and 77,989,178,065.15

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Solution

The fourth proportional to 276,735,888,922.15, 415,103,833,383.23 and 77,989,178,065.15 is: 116,983,767,097.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,735,888,922.15 : 415,103,833,383.23 = 77,989,178,065.15 : x
  2. Step 2: Convert to fraction form
    276,735,888,922.15/415,103,833,383.23 = 77,989,178,065.15/x
  3. Step 3: Cross multiply
    276,735,888,922.15x = 415,103,833,383.23 × 77,989,178,065.15
  4. Step 4: Simplify right side
    276,735,888,922.15x = 32,373,606,777,251,078,078,464
  5. Step 5: Solve for x
    x = 32,373,606,777,251,078,078,464/276,735,888,922.15
  6. Step 6: Final answer
    x = 116,983,767,097.73

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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.