Home / 288,940,510.80-433,410,766.20-166,496,504.40

Finding the Fourth Proportional to 288,940,510.80, 433,410,766.20 and 166,496,504.40

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Solution

The fourth proportional to 288,940,510.80, 433,410,766.20 and 166,496,504.40 is: 249,744,756.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,940,510.80 : 433,410,766.20 = 166,496,504.40 : x
  2. Step 2: Convert to fraction form
    288,940,510.80/433,410,766.20 = 166,496,504.40/x
  3. Step 3: Cross multiply
    288,940,510.80x = 433,410,766.20 × 166,496,504.40
  4. Step 4: Simplify right side
    288,940,510.80x = 72,161,377,541,625,664
  5. Step 5: Solve for x
    x = 72,161,377,541,625,664/288,940,510.80
  6. Step 6: Final answer
    x = 249,744,756.60

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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.