Home / 548,049,348.60-822,074,022.90-139,105,499.10

Finding the Fourth Proportional to 548,049,348.60, 822,074,022.90 and 139,105,499.10

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Solution

The fourth proportional to 548,049,348.60, 822,074,022.90 and 139,105,499.10 is: 208,658,248.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,049,348.60 : 822,074,022.90 = 139,105,499.10 : x
  2. Step 2: Convert to fraction form
    548,049,348.60/822,074,022.90 = 139,105,499.10/x
  3. Step 3: Cross multiply
    548,049,348.60x = 822,074,022.90 × 139,105,499.10
  4. Step 4: Simplify right side
    548,049,348.60x = 114,355,017,252,649,328
  5. Step 5: Solve for x
    x = 114,355,017,252,649,328/548,049,348.60
  6. Step 6: Final answer
    x = 208,658,248.65

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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.