Home / 19,292,128,957.71-28,934,983,755.45-5,843,215,317.78

Finding the Fourth Proportional to 19,292,128,957.71, 28,934,983,755.45 and 5,843,215,317.78

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Solution

The fourth proportional to 19,292,128,957.71, 28,934,983,755.45 and 5,843,215,317.78 is: 8,763,850,825.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,292,128,957.71 : 28,934,983,755.45 = 5,843,215,317.78 : x
  2. Step 2: Convert to fraction form
    19,292,128,957.71/28,934,983,755.45 = 5,843,215,317.78/x
  3. Step 3: Cross multiply
    19,292,128,957.71x = 28,934,983,755.45 × 5,843,215,317.78
  4. Step 4: Simplify right side
    19,292,128,957.71x = 169,073,340,299,560,910,848
  5. Step 5: Solve for x
    x = 169,073,340,299,560,910,848/19,292,128,957.71
  6. Step 6: Final answer
    x = 8,763,850,825.91

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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.