Home / 472,946,018.10-652,652,859.90-261,248,292.42

Finding the Fourth Proportional to 472,946,018.10, 652,652,859.90 and 261,248,292.42

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Solution

The fourth proportional to 472,946,018.10, 652,652,859.90 and 261,248,292.42 is: 360,515,658.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,946,018.10 : 652,652,859.90 = 261,248,292.42 : x
  2. Step 2: Convert to fraction form
    472,946,018.10/652,652,859.90 = 261,248,292.42/x
  3. Step 3: Cross multiply
    472,946,018.10x = 652,652,859.90 × 261,248,292.42
  4. Step 4: Simplify right side
    472,946,018.10x = 170,504,445,191,904,480
  5. Step 5: Solve for x
    x = 170,504,445,191,904,480/472,946,018.10
  6. Step 6: Final answer
    x = 360,515,658.59

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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.