Home / 412,191,994.34-618,594,500.97-166,550,765.07

Finding the Fourth Proportional to 412,191,994.34, 618,594,500.97 and 166,550,765.07

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Solution

The fourth proportional to 412,191,994.34, 618,594,500.97 and 166,550,765.07 is: 249,949,996.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,191,994.34 : 618,594,500.97 = 166,550,765.07 : x
  2. Step 2: Convert to fraction form
    412,191,994.34/618,594,500.97 = 166,550,765.07/x
  3. Step 3: Cross multiply
    412,191,994.34x = 618,594,500.97 × 166,550,765.07
  4. Step 4: Simplify right side
    412,191,994.34x = 103,027,387,404,648,352
  5. Step 5: Solve for x
    x = 103,027,387,404,648,352/412,191,994.34
  6. Step 6: Final answer
    x = 249,949,996.17

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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.