Home / 331,890,500.80-497,835,751.20-299,012,017.60

Finding the Fourth Proportional to 331,890,500.80, 497,835,751.20 and 299,012,017.60

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Solution

The fourth proportional to 331,890,500.80, 497,835,751.20 and 299,012,017.60 is: 448,518,026.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,890,500.80 : 497,835,751.20 = 299,012,017.60 : x
  2. Step 2: Convert to fraction form
    331,890,500.80/497,835,751.20 = 299,012,017.60/x
  3. Step 3: Cross multiply
    331,890,500.80x = 497,835,751.20 × 299,012,017.60
  4. Step 4: Simplify right side
    331,890,500.80x = 148,858,872,399,723,616
  5. Step 5: Solve for x
    x = 148,858,872,399,723,616/331,890,500.80
  6. Step 6: Final answer
    x = 448,518,026.40

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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.