Home / 911,839,000.05-1,258,338,896.24-494,151,285.35

Finding the Fourth Proportional to 911,839,000.05, 1,258,338,896.24 and 494,151,285.35

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Solution

The fourth proportional to 911,839,000.05, 1,258,338,896.24 and 494,151,285.35 is: 681,929,356.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,839,000.05 : 1,258,338,896.24 = 494,151,285.35 : x
  2. Step 2: Convert to fraction form
    911,839,000.05/1,258,338,896.24 = 494,151,285.35/x
  3. Step 3: Cross multiply
    911,839,000.05x = 1,258,338,896.24 × 494,151,285.35
  4. Step 4: Simplify right side
    911,839,000.05x = 621,809,782,976,174,720
  5. Step 5: Solve for x
    x = 621,809,782,976,174,720/911,839,000.05
  6. Step 6: Final answer
    x = 681,929,356.98

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Double scale
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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.