Home / 472,946,017.10-652,652,858.52-261,248,291.42

Finding the Fourth Proportional to 472,946,017.10, 652,652,858.52 and 261,248,291.42

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Solution

The fourth proportional to 472,946,017.10, 652,652,858.52 and 261,248,291.42 is: 360,515,657.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,946,017.10 : 652,652,858.52 = 261,248,291.42 : x
  2. Step 2: Convert to fraction form
    472,946,017.10/652,652,858.52 = 261,248,291.42/x
  3. Step 3: Cross multiply
    472,946,017.10x = 652,652,858.52 × 261,248,291.42
  4. Step 4: Simplify right side
    472,946,017.10x = 170,504,444,178,728,992
  5. Step 5: Solve for x
    x = 170,504,444,178,728,992/472,946,017.10
  6. Step 6: Final answer
    x = 360,515,657.21

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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.