Home / 561,644,868.30-842,467,302.45-255,534,852.30

Finding the Fourth Proportional to 561,644,868.30, 842,467,302.45 and 255,534,852.30

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Solution

The fourth proportional to 561,644,868.30, 842,467,302.45 and 255,534,852.30 is: 383,302,278.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,644,868.30 : 842,467,302.45 = 255,534,852.30 : x
  2. Step 2: Convert to fraction form
    561,644,868.30/842,467,302.45 = 255,534,852.30/x
  3. Step 3: Cross multiply
    561,644,868.30x = 842,467,302.45 × 255,534,852.30
  4. Step 4: Simplify right side
    561,644,868.30x = 215,279,757,699,140,192
  5. Step 5: Solve for x
    x = 215,279,757,699,140,192/561,644,868.30
  6. Step 6: Final answer
    x = 383,302,278.45

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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.