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Finding the Fourth Proportional to 1,171,066,728.48, 1,616,062,520.16 and 635,217,052.14

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Solution

The fourth proportional to 1,171,066,728.48, 1,616,062,520.16 and 635,217,052.14 is: 876,594,343.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,171,066,728.48 : 1,616,062,520.16 = 635,217,052.14 : x
  2. Step 2: Convert to fraction form
    1,171,066,728.48/1,616,062,520.16 = 635,217,052.14/x
  3. Step 3: Cross multiply
    1,171,066,728.48x = 1,616,062,520.16 × 635,217,052.14
  4. Step 4: Simplify right side
    1,171,066,728.48x = 1,026,550,470,129,974,528
  5. Step 5: Solve for x
    x = 1,026,550,470,129,974,528/1,171,066,728.48
  6. Step 6: Final answer
    x = 876,594,343.57

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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.