Home / 412,296,568.73-618,739,913.57-149,980,612.64

Finding the Fourth Proportional to 412,296,568.73, 618,739,913.57 and 149,980,612.64

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Solution

The fourth proportional to 412,296,568.73, 618,739,913.57 and 149,980,612.64 is: 225,078,252.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,296,568.73 : 618,739,913.57 = 149,980,612.64 : x
  2. Step 2: Convert to fraction form
    412,296,568.73/618,739,913.57 = 149,980,612.64/x
  3. Step 3: Cross multiply
    412,296,568.73x = 618,739,913.57 × 149,980,612.64
  4. Step 4: Simplify right side
    412,296,568.73x = 92,798,991,298,205,648
  5. Step 5: Solve for x
    x = 92,798,991,298,205,648/412,296,568.73
  6. Step 6: Final answer
    x = 225,078,252.74

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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.