Home / 355,318,656.80-532,977,985.20-299,198,487.20

Finding the Fourth Proportional to 355,318,656.80, 532,977,985.20 and 299,198,487.20

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Solution

The fourth proportional to 355,318,656.80, 532,977,985.20 and 299,198,487.20 is: 448,797,730.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,318,656.80 : 532,977,985.20 = 299,198,487.20 : x
  2. Step 2: Convert to fraction form
    355,318,656.80/532,977,985.20 = 299,198,487.20/x
  3. Step 3: Cross multiply
    355,318,656.80x = 532,977,985.20 × 299,198,487.20
  4. Step 4: Simplify right side
    355,318,656.80x = 159,466,206,882,743,968
  5. Step 5: Solve for x
    x = 159,466,206,882,743,968/355,318,656.80
  6. Step 6: Final answer
    x = 448,797,730.80

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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.