Home / 498,753,955,518.32-688,285,876,010.20-292,996,867,129.28

Finding the Fourth Proportional to 498,753,955,518.32, 688,285,876,010.20 and 292,996,867,129.28

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Solution

The fourth proportional to 498,753,955,518.32, 688,285,876,010.20 and 292,996,867,129.28 is: 404,338,859,128.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,753,955,518.32 : 688,285,876,010.20 = 292,996,867,129.28 : x
  2. Step 2: Convert to fraction form
    498,753,955,518.32/688,285,876,010.20 = 292,996,867,129.28/x
  3. Step 3: Cross multiply
    498,753,955,518.32x = 688,285,876,010.20 × 292,996,867,129.28
  4. Step 4: Simplify right side
    498,753,955,518.32x = 201,665,605,360,320,652,509,184
  5. Step 5: Solve for x
    x = 201,665,605,360,320,652,509,184/498,753,955,518.32
  6. Step 6: Final answer
    x = 404,338,859,128.93

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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.