Home / 562,815,468.24-776,685,419.82-311,936,057.32

Finding the Fourth Proportional to 562,815,468.24, 776,685,419.82 and 311,936,057.32

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Solution

The fourth proportional to 562,815,468.24, 776,685,419.82 and 311,936,057.32 is: 430,471,799.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,815,468.24 : 776,685,419.82 = 311,936,057.32 : x
  2. Step 2: Convert to fraction form
    562,815,468.24/776,685,419.82 = 311,936,057.32/x
  3. Step 3: Cross multiply
    562,815,468.24x = 776,685,419.82 × 311,936,057.32
  4. Step 4: Simplify right side
    562,815,468.24x = 242,276,187,632,696,384
  5. Step 5: Solve for x
    x = 242,276,187,632,696,384/562,815,468.24
  6. Step 6: Final answer
    x = 430,471,799.91

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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.