Home / 945,387,285.36-1,304,852,135.24-554,372,680.56

Finding the Fourth Proportional to 945,387,285.36, 1,304,852,135.24 and 554,372,680.56

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Solution

The fourth proportional to 945,387,285.36, 1,304,852,135.24 and 554,372,680.56 is: 765,161,947.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,387,285.36 : 1,304,852,135.24 = 554,372,680.56 : x
  2. Step 2: Convert to fraction form
    945,387,285.36/1,304,852,135.24 = 554,372,680.56/x
  3. Step 3: Cross multiply
    945,387,285.36x = 1,304,852,135.24 × 554,372,680.56
  4. Step 4: Simplify right side
    945,387,285.36x = 723,374,375,947,438,336
  5. Step 5: Solve for x
    x = 723,374,375,947,438,336/945,387,285.36
  6. Step 6: Final answer
    x = 765,161,947.01

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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.