Home / 72,776,595,648.84-100,436,899,019.38-40,223,108,992.24

Finding the Fourth Proportional to 72,776,595,648.84, 100,436,899,019.38 and 40,223,108,992.24

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Solution

The fourth proportional to 72,776,595,648.84, 100,436,899,019.38 and 40,223,108,992.24 is: 55,510,762,767.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,776,595,648.84 : 100,436,899,019.38 = 40,223,108,992.24 : x
  2. Step 2: Convert to fraction form
    72,776,595,648.84/100,436,899,019.38 = 40,223,108,992.24/x
  3. Step 3: Cross multiply
    72,776,595,648.84x = 100,436,899,019.38 × 40,223,108,992.24
  4. Step 4: Simplify right side
    72,776,595,648.84x = 4,039,884,336,099,124,314,112
  5. Step 5: Solve for x
    x = 4,039,884,336,099,124,314,112/72,776,595,648.84
  6. Step 6: Final answer
    x = 55,510,762,767.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.