Home / 1,002,175,992-1,383,000,040.80-556,206,690.24

Finding the Fourth Proportional to 1,002,175,992, 1,383,000,040.80 and 556,206,690.24

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Solution

The fourth proportional to 1,002,175,992, 1,383,000,040.80 and 556,206,690.24 is: 767,563,662.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,002,175,992 : 1,383,000,040.80 = 556,206,690.24 : x
  2. Step 2: Convert to fraction form
    1,002,175,992/1,383,000,040.80 = 556,206,690.24/x
  3. Step 3: Cross multiply
    1,002,175,992x = 1,383,000,040.80 × 556,206,690.24
  4. Step 4: Simplify right side
    1,002,175,992x = 769,233,875,295,152,896
  5. Step 5: Solve for x
    x = 769,233,875,295,152,896/1,002,175,992
  6. Step 6: Final answer
    x = 767,563,662.91

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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.