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Finding the Fourth Proportional to 496,124,890.64, 744,255,439.02 and 168,512,451.80

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Solution

The fourth proportional to 496,124,890.64, 744,255,439.02 and 168,512,451.80 is: 252,791,809.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,124,890.64 : 744,255,439.02 = 168,512,451.80 : x
  2. Step 2: Convert to fraction form
    496,124,890.64/744,255,439.02 = 168,512,451.80/x
  3. Step 3: Cross multiply
    496,124,890.64x = 744,255,439.02 × 168,512,451.80
  4. Step 4: Simplify right side
    496,124,890.64x = 125,416,308,794,745,600
  5. Step 5: Solve for x
    x = 125,416,308,794,745,600/496,124,890.64
  6. Step 6: Final answer
    x = 252,791,809.40

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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.