Home / 1,214,231,791.83-1,675,645,220.41-657,314,838.90

Finding the Fourth Proportional to 1,214,231,791.83, 1,675,645,220.41 and 657,314,838.90

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Solution

The fourth proportional to 1,214,231,791.83, 1,675,645,220.41 and 657,314,838.90 is: 907,097,372.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,231,791.83 : 1,675,645,220.41 = 657,314,838.90 : x
  2. Step 2: Convert to fraction form
    1,214,231,791.83/1,675,645,220.41 = 657,314,838.90/x
  3. Step 3: Cross multiply
    1,214,231,791.83x = 1,675,645,220.41 × 657,314,838.90
  4. Step 4: Simplify right side
    1,214,231,791.83x = 1,101,426,468,107,354,112
  5. Step 5: Solve for x
    x = 1,101,426,468,107,354,112/1,214,231,791.83
  6. Step 6: Final answer
    x = 907,097,372.61

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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.