Home / 412,191,992.83-618,594,498.71-166,550,763.56

Finding the Fourth Proportional to 412,191,992.83, 618,594,498.71 and 166,550,763.56

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Solution

The fourth proportional to 412,191,992.83, 618,594,498.71 and 166,550,763.56 is: 249,949,993.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,191,992.83 : 618,594,498.71 = 166,550,763.56 : x
  2. Step 2: Convert to fraction form
    412,191,992.83/618,594,498.71 = 166,550,763.56/x
  3. Step 3: Cross multiply
    412,191,992.83x = 618,594,498.71 × 166,550,763.56
  4. Step 4: Simplify right side
    412,191,992.83x = 103,027,386,096,128,800
  5. Step 5: Solve for x
    x = 103,027,386,096,128,800/412,191,992.83
  6. Step 6: Final answer
    x = 249,949,993.91

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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.