Home / 618,103,173,261.20-927,154,759,891.80-518,923,528,077.20

Finding the Fourth Proportional to 618,103,173,261.20, 927,154,759,891.80 and 518,923,528,077.20

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Solution

The fourth proportional to 618,103,173,261.20, 927,154,759,891.80 and 518,923,528,077.20 is: 778,385,292,115.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,103,173,261.20 : 927,154,759,891.80 = 518,923,528,077.20 : x
  2. Step 2: Convert to fraction form
    618,103,173,261.20/927,154,759,891.80 = 518,923,528,077.20/x
  3. Step 3: Cross multiply
    618,103,173,261.20x = 927,154,759,891.80 × 518,923,528,077.20
  4. Step 4: Simplify right side
    618,103,173,261.20x = 481,122,419,076,622,129,823,744
  5. Step 5: Solve for x
    x = 481,122,419,076,622,129,823,744/618,103,173,261.20
  6. Step 6: Final answer
    x = 778,385,292,115.80

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.