Home / 468,387,455.34-646,162,720.83-282,689,110.38

Finding the Fourth Proportional to 468,387,455.34, 646,162,720.83 and 282,689,110.38

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Solution

The fourth proportional to 468,387,455.34, 646,162,720.83 and 282,689,110.38 is: 389,983,042.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,387,455.34 : 646,162,720.83 = 282,689,110.38 : x
  2. Step 2: Convert to fraction form
    468,387,455.34/646,162,720.83 = 282,689,110.38/x
  3. Step 3: Cross multiply
    468,387,455.34x = 646,162,720.83 × 282,689,110.38
  4. Step 4: Simplify right side
    468,387,455.34x = 182,663,164,712,152,992
  5. Step 5: Solve for x
    x = 182,663,164,712,152,992/468,387,455.34
  6. Step 6: Final answer
    x = 389,983,042.09

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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.