Home / 648,660,924.24-973,116,570.54-211,844,175.60

Finding the Fourth Proportional to 648,660,924.24, 973,116,570.54 and 211,844,175.60

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Solution

The fourth proportional to 648,660,924.24, 973,116,570.54 and 211,844,175.60 is: 317,807,146.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,660,924.24 : 973,116,570.54 = 211,844,175.60 : x
  2. Step 2: Convert to fraction form
    648,660,924.24/973,116,570.54 = 211,844,175.60/x
  3. Step 3: Cross multiply
    648,660,924.24x = 973,116,570.54 × 211,844,175.60
  4. Step 4: Simplify right side
    648,660,924.24x = 206,149,077,648,745,536
  5. Step 5: Solve for x
    x = 206,149,077,648,745,536/648,660,924.24
  6. Step 6: Final answer
    x = 317,807,146.92

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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.