Home / 562,815,455.31-776,685,401.96-311,936,044.37

Finding the Fourth Proportional to 562,815,455.31, 776,685,401.96 and 311,936,044.37

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Solution

The fourth proportional to 562,815,455.31, 776,685,401.96 and 311,936,044.37 is: 430,471,782.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,815,455.31 : 776,685,401.96 = 311,936,044.37 : x
  2. Step 2: Convert to fraction form
    562,815,455.31/776,685,401.96 = 311,936,044.37/x
  3. Step 3: Cross multiply
    562,815,455.31x = 776,685,401.96 × 311,936,044.37
  4. Step 4: Simplify right side
    562,815,455.31x = 242,276,172,007,325,856
  5. Step 5: Solve for x
    x = 242,276,172,007,325,856/562,815,455.31
  6. Step 6: Final answer
    x = 430,471,782.04

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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.