Home / 474,579,005.70-664,864,104.30-474,579,005.70

Finding the Fourth Proportional to 474,579,005.70, 664,864,104.30 and 474,579,005.70

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Solution

The fourth proportional to 474,579,005.70, 664,864,104.30 and 474,579,005.70 is: 664,864,104.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,579,005.70 : 664,864,104.30 = 474,579,005.70 : x
  2. Step 2: Convert to fraction form
    474,579,005.70/664,864,104.30 = 474,579,005.70/x
  3. Step 3: Cross multiply
    474,579,005.70x = 664,864,104.30 × 474,579,005.70
  4. Step 4: Simplify right side
    474,579,005.70x = 315,530,545,544,315,072
  5. Step 5: Solve for x
    x = 315,530,545,544,315,072/474,579,005.70
  6. Step 6: Final answer
    x = 664,864,104.30

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.