Home / 1,448,115,490.56-1,998,465,182.40-853,425,072.96

Finding the Fourth Proportional to 1,448,115,490.56, 1,998,465,182.40 and 853,425,072.96

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Solution

The fourth proportional to 1,448,115,490.56, 1,998,465,182.40 and 853,425,072.96 is: 1,177,765,382.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,448,115,490.56 : 1,998,465,182.40 = 853,425,072.96 : x
  2. Step 2: Convert to fraction form
    1,448,115,490.56/1,998,465,182.40 = 853,425,072.96/x
  3. Step 3: Cross multiply
    1,448,115,490.56x = 1,998,465,182.40 × 853,425,072.96
  4. Step 4: Simplify right side
    1,448,115,490.56x = 1,705,540,294,097,739,776
  5. Step 5: Solve for x
    x = 1,705,540,294,097,739,776/1,448,115,490.56
  6. Step 6: Final answer
    x = 1,177,765,382.12

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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.