Home / 442,872,214.80-664,308,322.20-170,251,875.60

Finding the Fourth Proportional to 442,872,214.80, 664,308,322.20 and 170,251,875.60

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Solution

The fourth proportional to 442,872,214.80, 664,308,322.20 and 170,251,875.60 is: 255,377,813.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,872,214.80 : 664,308,322.20 = 170,251,875.60 : x
  2. Step 2: Convert to fraction form
    442,872,214.80/664,308,322.20 = 170,251,875.60/x
  3. Step 3: Cross multiply
    442,872,214.80x = 664,308,322.20 × 170,251,875.60
  4. Step 4: Simplify right side
    442,872,214.80x = 113,099,737,831,239,120
  5. Step 5: Solve for x
    x = 113,099,737,831,239,120/442,872,214.80
  6. Step 6: Final answer
    x = 255,377,813.40

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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.