Home / 84,544,128,015.20-126,816,192,022.80-25,656,119,208.80

Finding the Fourth Proportional to 84,544,128,015.20, 126,816,192,022.80 and 25,656,119,208.80

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Solution

The fourth proportional to 84,544,128,015.20, 126,816,192,022.80 and 25,656,119,208.80 is: 38,484,178,813.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,544,128,015.20 : 126,816,192,022.80 = 25,656,119,208.80 : x
  2. Step 2: Convert to fraction form
    84,544,128,015.20/126,816,192,022.80 = 25,656,119,208.80/x
  3. Step 3: Cross multiply
    84,544,128,015.20x = 126,816,192,022.80 × 25,656,119,208.80
  4. Step 4: Simplify right side
    84,544,128,015.20x = 3,253,611,340,143,028,338,688
  5. Step 5: Solve for x
    x = 3,253,611,340,143,028,338,688/84,544,128,015.20
  6. Step 6: Final answer
    x = 38,484,178,813.20

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Double scale
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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.