Home / 468,864,010.40-703,296,015.60-239,540,439.20

Finding the Fourth Proportional to 468,864,010.40, 703,296,015.60 and 239,540,439.20

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Solution

The fourth proportional to 468,864,010.40, 703,296,015.60 and 239,540,439.20 is: 359,310,658.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,864,010.40 : 703,296,015.60 = 239,540,439.20 : x
  2. Step 2: Convert to fraction form
    468,864,010.40/703,296,015.60 = 239,540,439.20/x
  3. Step 3: Cross multiply
    468,864,010.40x = 703,296,015.60 × 239,540,439.20
  4. Step 4: Simplify right side
    468,864,010.40x = 168,467,836,464,434,048
  5. Step 5: Solve for x
    x = 168,467,836,464,434,048/468,864,010.40
  6. Step 6: Final answer
    x = 359,310,658.80

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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.