Home / 276,735,888,908.15-415,103,833,362.23-77,989,178,051.15

Finding the Fourth Proportional to 276,735,888,908.15, 415,103,833,362.23 and 77,989,178,051.15

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Solution

The fourth proportional to 276,735,888,908.15, 415,103,833,362.23 and 77,989,178,051.15 is: 116,983,767,076.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,735,888,908.15 : 415,103,833,362.23 = 77,989,178,051.15 : x
  2. Step 2: Convert to fraction form
    276,735,888,908.15/415,103,833,362.23 = 77,989,178,051.15/x
  3. Step 3: Cross multiply
    276,735,888,908.15x = 415,103,833,362.23 × 77,989,178,051.15
  4. Step 4: Simplify right side
    276,735,888,908.15x = 32,373,606,769,801,851,568,128
  5. Step 5: Solve for x
    x = 32,373,606,769,801,851,568,128/276,735,888,908.15
  6. Step 6: Final answer
    x = 116,983,767,076.73

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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.