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Finding the Fourth Proportional to 557,736,704.80, 836,605,057.20 and 251,626,688.80

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Solution

The fourth proportional to 557,736,704.80, 836,605,057.20 and 251,626,688.80 is: 377,440,033.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,736,704.80 : 836,605,057.20 = 251,626,688.80 : x
  2. Step 2: Convert to fraction form
    557,736,704.80/836,605,057.20 = 251,626,688.80/x
  3. Step 3: Cross multiply
    557,736,704.80x = 836,605,057.20 × 251,626,688.80
  4. Step 4: Simplify right side
    557,736,704.80x = 210,512,160,376,570,624
  5. Step 5: Solve for x
    x = 210,512,160,376,570,624/557,736,704.80
  6. Step 6: Final answer
    x = 377,440,033.20

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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.