Home / 398,601,307.10-597,901,960.65-367,033,711.70

Finding the Fourth Proportional to 398,601,307.10, 597,901,960.65 and 367,033,711.70

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Solution

The fourth proportional to 398,601,307.10, 597,901,960.65 and 367,033,711.70 is: 550,550,567.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,601,307.10 : 597,901,960.65 = 367,033,711.70 : x
  2. Step 2: Convert to fraction form
    398,601,307.10/597,901,960.65 = 367,033,711.70/x
  3. Step 3: Cross multiply
    398,601,307.10x = 597,901,960.65 × 367,033,711.70
  4. Step 4: Simplify right side
    398,601,307.10x = 219,450,175,850,076,832
  5. Step 5: Solve for x
    x = 219,450,175,850,076,832/398,601,307.10
  6. Step 6: Final answer
    x = 550,550,567.55

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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.