Home / 443,070,991.20-664,606,486.80-297,952,168.80

Finding the Fourth Proportional to 443,070,991.20, 664,606,486.80 and 297,952,168.80

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Solution

The fourth proportional to 443,070,991.20, 664,606,486.80 and 297,952,168.80 is: 446,928,253.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,070,991.20 : 664,606,486.80 = 297,952,168.80 : x
  2. Step 2: Convert to fraction form
    443,070,991.20/664,606,486.80 = 297,952,168.80/x
  3. Step 3: Cross multiply
    443,070,991.20x = 664,606,486.80 × 297,952,168.80
  4. Step 4: Simplify right side
    443,070,991.20x = 198,020,944,140,608,576
  5. Step 5: Solve for x
    x = 198,020,944,140,608,576/443,070,991.20
  6. Step 6: Final answer
    x = 446,928,253.20

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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.