Home / 807,979,374.41-1,212,020,264.14-341,553,870.05

Finding the Fourth Proportional to 807,979,374.41, 1,212,020,264.14 and 341,553,870.05

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Solution

The fourth proportional to 807,979,374.41, 1,212,020,264.14 and 341,553,870.05 is: 512,352,449.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,979,374.41 : 1,212,020,264.14 = 341,553,870.05 : x
  2. Step 2: Convert to fraction form
    807,979,374.41/1,212,020,264.14 = 341,553,870.05/x
  3. Step 3: Cross multiply
    807,979,374.41x = 1,212,020,264.14 × 341,553,870.05
  4. Step 4: Simplify right side
    807,979,374.41x = 413,970,211,789,126,272
  5. Step 5: Solve for x
    x = 413,970,211,789,126,272/807,979,374.41
  6. Step 6: Final answer
    x = 512,352,449.71

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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.