Home / 39,684,861,551.30-54,728,322,571.27-28,962,999,222.98

Finding the Fourth Proportional to 39,684,861,551.30, 54,728,322,571.27 and 28,962,999,222.98

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Solution

The fourth proportional to 39,684,861,551.30, 54,728,322,571.27 and 28,962,999,222.98 is: 39,942,091,320.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,684,861,551.30 : 54,728,322,571.27 = 28,962,999,222.98 : x
  2. Step 2: Convert to fraction form
    39,684,861,551.30/54,728,322,571.27 = 28,962,999,222.98/x
  3. Step 3: Cross multiply
    39,684,861,551.30x = 54,728,322,571.27 × 28,962,999,222.98
  4. Step 4: Simplify right side
    39,684,861,551.30x = 1,585,096,364,106,859,151,360
  5. Step 5: Solve for x
    x = 1,585,096,364,106,859,151,360/39,684,861,551.30
  6. Step 6: Final answer
    x = 39,942,091,320.08

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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.