Home / 21,331,498,858.86-31,998,778,838.37-7,356,915,253.74

Finding the Fourth Proportional to 21,331,498,858.86, 31,998,778,838.37 and 7,356,915,253.74

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Solution

The fourth proportional to 21,331,498,858.86, 31,998,778,838.37 and 7,356,915,253.74 is: 11,035,900,744.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,331,498,858.86 : 31,998,778,838.37 = 7,356,915,253.74 : x
  2. Step 2: Convert to fraction form
    21,331,498,858.86/31,998,778,838.37 = 7,356,915,253.74/x
  3. Step 3: Cross multiply
    21,331,498,858.86x = 31,998,778,838.37 × 7,356,915,253.74
  4. Step 4: Simplify right side
    21,331,498,858.86x = 235,412,304,137,056,944,128
  5. Step 5: Solve for x
    x = 235,412,304,137,056,944,128/21,331,498,858.86
  6. Step 6: Final answer
    x = 11,035,900,744.47

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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.