Home / 622,885,538.70-934,328,308.05-613,200,026.49

Finding the Fourth Proportional to 622,885,538.70, 934,328,308.05 and 613,200,026.49

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Solution

The fourth proportional to 622,885,538.70, 934,328,308.05 and 613,200,026.49 is: 919,800,039.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,885,538.70 : 934,328,308.05 = 613,200,026.49 : x
  2. Step 2: Convert to fraction form
    622,885,538.70/934,328,308.05 = 613,200,026.49/x
  3. Step 3: Cross multiply
    622,885,538.70x = 934,328,308.05 × 613,200,026.49
  4. Step 4: Simplify right side
    622,885,538.70x = 572,930,143,246,616,832
  5. Step 5: Solve for x
    x = 572,930,143,246,616,832/622,885,538.70
  6. Step 6: Final answer
    x = 919,800,039.74

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Double scale
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Similar ratio
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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.