Home / 1,105,250,946.46-1,525,380,067.36-629,057,101.20

Finding the Fourth Proportional to 1,105,250,946.46, 1,525,380,067.36 and 629,057,101.20

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Solution

The fourth proportional to 1,105,250,946.46, 1,525,380,067.36 and 629,057,101.20 is: 868,174,930.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,250,946.46 : 1,525,380,067.36 = 629,057,101.20 : x
  2. Step 2: Convert to fraction form
    1,105,250,946.46/1,525,380,067.36 = 629,057,101.20/x
  3. Step 3: Cross multiply
    1,105,250,946.46x = 1,525,380,067.36 × 629,057,101.20
  4. Step 4: Simplify right side
    1,105,250,946.46x = 959,551,163,403,668,352
  5. Step 5: Solve for x
    x = 959,551,163,403,668,352/1,105,250,946.46
  6. Step 6: Final answer
    x = 868,174,930.29

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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.