Home / 297,654,511.20-446,481,766.80-215,387,444.40

Finding the Fourth Proportional to 297,654,511.20, 446,481,766.80 and 215,387,444.40

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Solution

The fourth proportional to 297,654,511.20, 446,481,766.80 and 215,387,444.40 is: 323,081,166.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,654,511.20 : 446,481,766.80 = 215,387,444.40 : x
  2. Step 2: Convert to fraction form
    297,654,511.20/446,481,766.80 = 215,387,444.40/x
  3. Step 3: Cross multiply
    297,654,511.20x = 446,481,766.80 × 215,387,444.40
  4. Step 4: Simplify right side
    297,654,511.20x = 96,166,566,722,248,768
  5. Step 5: Solve for x
    x = 96,166,566,722,248,768/297,654,511.20
  6. Step 6: Final answer
    x = 323,081,166.60

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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.