Home / 277,619,972.40-383,115,598.20-153,868,638.96

Finding the Fourth Proportional to 277,619,972.40, 383,115,598.20 and 153,868,638.96

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Solution

The fourth proportional to 277,619,972.40, 383,115,598.20 and 153,868,638.96 is: 212,338,741.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,619,972.40 : 383,115,598.20 = 153,868,638.96 : x
  2. Step 2: Convert to fraction form
    277,619,972.40/383,115,598.20 = 153,868,638.96/x
  3. Step 3: Cross multiply
    277,619,972.40x = 383,115,598.20 × 153,868,638.96
  4. Step 4: Simplify right side
    277,619,972.40x = 58,949,475,659,380,224
  5. Step 5: Solve for x
    x = 58,949,475,659,380,224/277,619,972.40
  6. Step 6: Final answer
    x = 212,338,741.88

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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.