Home / 664,302,616.20-996,453,924.30-457,678,355.40

Finding the Fourth Proportional to 664,302,616.20, 996,453,924.30 and 457,678,355.40

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Solution

The fourth proportional to 664,302,616.20, 996,453,924.30 and 457,678,355.40 is: 686,517,533.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,302,616.20 : 996,453,924.30 = 457,678,355.40 : x
  2. Step 2: Convert to fraction form
    664,302,616.20/996,453,924.30 = 457,678,355.40/x
  3. Step 3: Cross multiply
    664,302,616.20x = 996,453,924.30 × 457,678,355.40
  4. Step 4: Simplify right side
    664,302,616.20x = 456,055,393,305,500,032
  5. Step 5: Solve for x
    x = 456,055,393,305,500,032/664,302,616.20
  6. Step 6: Final answer
    x = 686,517,533.10

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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.