Home / 548,365,098.39-822,683,788.34-272,145,948.63

Finding the Fourth Proportional to 548,365,098.39, 822,683,788.34 and 272,145,948.63

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Solution

The fourth proportional to 548,365,098.39, 822,683,788.34 and 272,145,948.63 is: 408,286,487.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,365,098.39 : 822,683,788.34 = 272,145,948.63 : x
  2. Step 2: Convert to fraction form
    548,365,098.39/822,683,788.34 = 272,145,948.63/x
  3. Step 3: Cross multiply
    548,365,098.39x = 822,683,788.34 × 272,145,948.63
  4. Step 4: Simplify right side
    548,365,098.39x = 223,890,060,000,311,424
  5. Step 5: Solve for x
    x = 223,890,060,000,311,424/548,365,098.39
  6. Step 6: Final answer
    x = 408,286,487.70

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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.