Home / 1,238,938,305.38-1,858,399,191.19-501,997,337.54

Finding the Fourth Proportional to 1,238,938,305.38, 1,858,399,191.19 and 501,997,337.54

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Solution

The fourth proportional to 1,238,938,305.38, 1,858,399,191.19 and 501,997,337.54 is: 752,992,656.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,938,305.38 : 1,858,399,191.19 = 501,997,337.54 : x
  2. Step 2: Convert to fraction form
    1,238,938,305.38/1,858,399,191.19 = 501,997,337.54/x
  3. Step 3: Cross multiply
    1,238,938,305.38x = 1,858,399,191.19 × 501,997,337.54
  4. Step 4: Simplify right side
    1,238,938,305.38x = 932,911,446,063,869,440
  5. Step 5: Solve for x
    x = 932,911,446,063,869,440/1,238,938,305.38
  6. Step 6: Final answer
    x = 752,992,656.71

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Double scale
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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.