Home / 442,829,132.20-664,621,611.90-197,563,205.80

Finding the Fourth Proportional to 442,829,132.20, 664,621,611.90 and 197,563,205.80

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Solution

The fourth proportional to 442,829,132.20, 664,621,611.90 and 197,563,205.80 is: 296,513,410.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,829,132.20 : 664,621,611.90 = 197,563,205.80 : x
  2. Step 2: Convert to fraction form
    442,829,132.20/664,621,611.90 = 197,563,205.80/x
  3. Step 3: Cross multiply
    442,829,132.20x = 664,621,611.90 × 197,563,205.80
  4. Step 4: Simplify right side
    442,829,132.20x = 131,304,776,290,927,440
  5. Step 5: Solve for x
    x = 131,304,776,290,927,440/442,829,132.20
  6. Step 6: Final answer
    x = 296,513,410.58

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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.