Home / 861,064,923,140.76-1,188,270,070,617.60-465,101,969,471.48

Finding the Fourth Proportional to 861,064,923,140.76, 1,188,270,070,617.60 and 465,101,969,471.48

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Solution

The fourth proportional to 861,064,923,140.76, 1,188,270,070,617.60 and 465,101,969,471.48 is: 641,840,975,349.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,064,923,140.76 : 1,188,270,070,617.60 = 465,101,969,471.48 : x
  2. Step 2: Convert to fraction form
    861,064,923,140.76/1,188,270,070,617.60 = 465,101,969,471.48/x
  3. Step 3: Cross multiply
    861,064,923,140.76x = 1,188,270,070,617.60 × 465,101,969,471.48
  4. Step 4: Simplify right side
    861,064,923,140.76x = 552,666,750,108,260,410,327,040
  5. Step 5: Solve for x
    x = 552,666,750,108,260,410,327,040/861,064,923,140.76
  6. Step 6: Final answer
    x = 641,840,975,349.91

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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.