Home / 72,439,253,480.70-108,594,256,995.45-28,263,043,208.70

Finding the Fourth Proportional to 72,439,253,480.70, 108,594,256,995.45 and 28,263,043,208.70

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Solution

The fourth proportional to 72,439,253,480.70, 108,594,256,995.45 and 28,263,043,208.70 is: 42,369,351,286.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,439,253,480.70 : 108,594,256,995.45 = 28,263,043,208.70 : x
  2. Step 2: Convert to fraction form
    72,439,253,480.70/108,594,256,995.45 = 28,263,043,208.70/x
  3. Step 3: Cross multiply
    72,439,253,480.70x = 108,594,256,995.45 × 28,263,043,208.70
  4. Step 4: Simplify right side
    72,439,253,480.70x = 3,069,204,177,679,075,508,224
  5. Step 5: Solve for x
    x = 3,069,204,177,679,075,508,224/72,439,253,480.70
  6. Step 6: Final answer
    x = 42,369,351,286.82

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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.