Home / 885,864,199.14-1,222,527,557.78-509,520,183.12

Finding the Fourth Proportional to 885,864,199.14, 1,222,527,557.78 and 509,520,183.12

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Solution

The fourth proportional to 885,864,199.14, 1,222,527,557.78 and 509,520,183.12 is: 703,157,962.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,864,199.14 : 1,222,527,557.78 = 509,520,183.12 : x
  2. Step 2: Convert to fraction form
    885,864,199.14/1,222,527,557.78 = 509,520,183.12/x
  3. Step 3: Cross multiply
    885,864,199.14x = 1,222,527,557.78 × 509,520,183.12
  4. Step 4: Simplify right side
    885,864,199.14x = 622,902,465,109,312,000
  5. Step 5: Solve for x
    x = 622,902,465,109,312,000/885,864,199.14
  6. Step 6: Final answer
    x = 703,157,962.26

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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.