Home / 256,168,609.83-383,850,546.84-198,018,773.01

Finding the Fourth Proportional to 256,168,609.83, 383,850,546.84 and 198,018,773.01

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Solution

The fourth proportional to 256,168,609.83, 383,850,546.84 and 198,018,773.01 is: 296,717,128.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,168,609.83 : 383,850,546.84 = 198,018,773.01 : x
  2. Step 2: Convert to fraction form
    256,168,609.83/383,850,546.84 = 198,018,773.01/x
  3. Step 3: Cross multiply
    256,168,609.83x = 383,850,546.84 × 198,018,773.01
  4. Step 4: Simplify right side
    256,168,609.83x = 76,009,614,304,474,320
  5. Step 5: Solve for x
    x = 76,009,614,304,474,320/256,168,609.83
  6. Step 6: Final answer
    x = 296,717,128.44

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1.5x scale

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.