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Finding the Fourth Proportional to 606,163,502.70, 909,245,254.05 and 197,219,653.20

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Solution

The fourth proportional to 606,163,502.70, 909,245,254.05 and 197,219,653.20 is: 295,829,479.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,163,502.70 : 909,245,254.05 = 197,219,653.20 : x
  2. Step 2: Convert to fraction form
    606,163,502.70/909,245,254.05 = 197,219,653.20/x
  3. Step 3: Cross multiply
    606,163,502.70x = 909,245,254.05 × 197,219,653.20
  4. Step 4: Simplify right side
    606,163,502.70x = 179,321,033,677,486,880
  5. Step 5: Solve for x
    x = 179,321,033,677,486,880/606,163,502.70
  6. Step 6: Final answer
    x = 295,829,479.80

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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.