Home / 265,464,164.70-398,196,247.05-220,114,532.70

Finding the Fourth Proportional to 265,464,164.70, 398,196,247.05 and 220,114,532.70

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Solution

The fourth proportional to 265,464,164.70, 398,196,247.05 and 220,114,532.70 is: 330,171,799.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,464,164.70 : 398,196,247.05 = 220,114,532.70 : x
  2. Step 2: Convert to fraction form
    265,464,164.70/398,196,247.05 = 220,114,532.70/x
  3. Step 3: Cross multiply
    265,464,164.70x = 398,196,247.05 × 220,114,532.70
  4. Step 4: Simplify right side
    265,464,164.70x = 87,648,780,842,304,496
  5. Step 5: Solve for x
    x = 87,648,780,842,304,496/265,464,164.70
  6. Step 6: Final answer
    x = 330,171,799.05

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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.