Home / 355,318,657.80-532,977,986.70-299,198,488.20

Finding the Fourth Proportional to 355,318,657.80, 532,977,986.70 and 299,198,488.20

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Solution

The fourth proportional to 355,318,657.80, 532,977,986.70 and 299,198,488.20 is: 448,797,732.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,318,657.80 : 532,977,986.70 = 299,198,488.20 : x
  2. Step 2: Convert to fraction form
    355,318,657.80/532,977,986.70 = 299,198,488.20/x
  3. Step 3: Cross multiply
    355,318,657.80x = 532,977,986.70 × 299,198,488.20
  4. Step 4: Simplify right side
    355,318,657.80x = 159,466,207,864,519,712
  5. Step 5: Solve for x
    x = 159,466,207,864,519,712/355,318,657.80
  6. Step 6: Final answer
    x = 448,797,732.30

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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.