Home / 774,920,398.62-1,162,384,878.96-192,654,644.88

Finding the Fourth Proportional to 774,920,398.62, 1,162,384,878.96 and 192,654,644.88

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Solution

The fourth proportional to 774,920,398.62, 1,162,384,878.96 and 192,654,644.88 is: 288,983,031.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,920,398.62 : 1,162,384,878.96 = 192,654,644.88 : x
  2. Step 2: Convert to fraction form
    774,920,398.62/1,162,384,878.96 = 192,654,644.88/x
  3. Step 3: Cross multiply
    774,920,398.62x = 1,162,384,878.96 × 192,654,644.88
  4. Step 4: Simplify right side
    774,920,398.62x = 223,938,846,069,920,576
  5. Step 5: Solve for x
    x = 223,938,846,069,920,576/774,920,398.62
  6. Step 6: Final answer
    x = 288,983,031.64

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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.