Home / 548,963,601.21-757,582,932.71-298,078,566.50

Finding the Fourth Proportional to 548,963,601.21, 757,582,932.71 and 298,078,566.50

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Solution

The fourth proportional to 548,963,601.21, 757,582,932.71 and 298,078,566.50 is: 411,355,569.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,963,601.21 : 757,582,932.71 = 298,078,566.50 : x
  2. Step 2: Convert to fraction form
    548,963,601.21/757,582,932.71 = 298,078,566.50/x
  3. Step 3: Cross multiply
    548,963,601.21x = 757,582,932.71 × 298,078,566.50
  4. Step 4: Simplify right side
    548,963,601.21x = 225,819,234,589,701,920
  5. Step 5: Solve for x
    x = 225,819,234,589,701,920/548,963,601.21
  6. Step 6: Final answer
    x = 411,355,569.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.