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Finding the Fourth Proportional to 548,958,149.60, 824,074,953.60 and 330,854,763.20

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Solution

The fourth proportional to 548,958,149.60, 824,074,953.60 and 330,854,763.20 is: 496,666,501.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,958,149.60 : 824,074,953.60 = 330,854,763.20 : x
  2. Step 2: Convert to fraction form
    548,958,149.60/824,074,953.60 = 330,854,763.20/x
  3. Step 3: Cross multiply
    548,958,149.60x = 824,074,953.60 × 330,854,763.20
  4. Step 4: Simplify right side
    548,958,149.60x = 272,649,123,632,378,976
  5. Step 5: Solve for x
    x = 272,649,123,632,378,976/548,958,149.60
  6. Step 6: Final answer
    x = 496,666,501.50

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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.