Home / 19,292,128,933.78-28,934,983,719.78-5,843,215,293.87

Finding the Fourth Proportional to 19,292,128,933.78, 28,934,983,719.78 and 5,843,215,293.87

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Solution

The fourth proportional to 19,292,128,933.78, 28,934,983,719.78 and 5,843,215,293.87 is: 8,763,850,790.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,292,128,933.78 : 28,934,983,719.78 = 5,843,215,293.87 : x
  2. Step 2: Convert to fraction form
    19,292,128,933.78/28,934,983,719.78 = 5,843,215,293.87/x
  3. Step 3: Cross multiply
    19,292,128,933.78x = 28,934,983,719.78 × 5,843,215,293.87
  4. Step 4: Simplify right side
    19,292,128,933.78x = 169,073,339,399,251,787,776
  5. Step 5: Solve for x
    x = 169,073,339,399,251,787,776/19,292,128,933.78
  6. Step 6: Final answer
    x = 8,763,850,790.11

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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.