Home / 562,815,481.58-776,685,438.25-311,936,070.65

Finding the Fourth Proportional to 562,815,481.58, 776,685,438.25 and 311,936,070.65

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Solution

The fourth proportional to 562,815,481.58, 776,685,438.25 and 311,936,070.65 is: 430,471,818.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,815,481.58 : 776,685,438.25 = 311,936,070.65 : x
  2. Step 2: Convert to fraction form
    562,815,481.58/776,685,438.25 = 311,936,070.65/x
  3. Step 3: Cross multiply
    562,815,481.58x = 776,685,438.25 × 311,936,070.65
  4. Step 4: Simplify right side
    562,815,481.58x = 242,276,203,739,940,032
  5. Step 5: Solve for x
    x = 242,276,203,739,940,032/562,815,481.58
  6. Step 6: Final answer
    x = 430,471,818.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.