Home / 117,816,615,900.92-176,724,926,189.54-28,279,609,311.47

Finding the Fourth Proportional to 117,816,615,900.92, 176,724,926,189.54 and 28,279,609,311.47

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Solution

The fourth proportional to 117,816,615,900.92, 176,724,926,189.54 and 28,279,609,311.47 is: 42,419,414,528.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,816,615,900.92 : 176,724,926,189.54 = 28,279,609,311.47 : x
  2. Step 2: Convert to fraction form
    117,816,615,900.92/176,724,926,189.54 = 28,279,609,311.47/x
  3. Step 3: Cross multiply
    117,816,615,900.92x = 176,724,926,189.54 × 28,279,609,311.47
  4. Step 4: Simplify right side
    117,816,615,900.92x = 4,997,711,868,237,681,000,448
  5. Step 5: Solve for x
    x = 4,997,711,868,237,681,000,448/117,816,615,900.92
  6. Step 6: Final answer
    x = 42,419,414,528.43

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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.