Home / 323,137,456.82-484,009,979.06-218,934,941.32

Finding the Fourth Proportional to 323,137,456.82, 484,009,979.06 and 218,934,941.32

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Solution

The fourth proportional to 323,137,456.82, 484,009,979.06 and 218,934,941.32 is: 327,930,712.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,137,456.82 : 484,009,979.06 = 218,934,941.32 : x
  2. Step 2: Convert to fraction form
    323,137,456.82/484,009,979.06 = 218,934,941.32/x
  3. Step 3: Cross multiply
    323,137,456.82x = 484,009,979.06 × 218,934,941.32
  4. Step 4: Simplify right side
    323,137,456.82x = 105,966,696,363,795,520
  5. Step 5: Solve for x
    x = 105,966,696,363,795,520/323,137,456.82
  6. Step 6: Final answer
    x = 327,930,712.23

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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.