Home / 1,128,796,934.44-1,557,388,334.24-652,313,715.24

Finding the Fourth Proportional to 1,128,796,934.44, 1,557,388,334.24 and 652,313,715.24

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Solution

The fourth proportional to 1,128,796,934.44, 1,557,388,334.24 and 652,313,715.24 is: 899,989,838.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,796,934.44 : 1,557,388,334.24 = 652,313,715.24 : x
  2. Step 2: Convert to fraction form
    1,128,796,934.44/1,557,388,334.24 = 652,313,715.24/x
  3. Step 3: Cross multiply
    1,128,796,934.44x = 1,557,388,334.24 × 652,313,715.24
  4. Step 4: Simplify right side
    1,128,796,934.44x = 1,015,905,770,379,529,344
  5. Step 5: Solve for x
    x = 1,015,905,770,379,529,344/1,128,796,934.44
  6. Step 6: Final answer
    x = 899,989,838.19

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Double scale
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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.