Home / 548,353,925.89-822,532,813.40-139,410,120.13

Finding the Fourth Proportional to 548,353,925.89, 822,532,813.40 and 139,410,120.13

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Solution

The fourth proportional to 548,353,925.89, 822,532,813.40 and 139,410,120.13 is: 209,115,669.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,353,925.89 : 822,532,813.40 = 139,410,120.13 : x
  2. Step 2: Convert to fraction form
    548,353,925.89/822,532,813.40 = 139,410,120.13/x
  3. Step 3: Cross multiply
    548,353,925.89x = 822,532,813.40 × 139,410,120.13
  4. Step 4: Simplify right side
    548,353,925.89x = 114,669,398,326,263,824
  5. Step 5: Solve for x
    x = 114,669,398,326,263,824/548,353,925.89
  6. Step 6: Final answer
    x = 209,115,669.48

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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.