Home / 239,753,402,891.52-359,652,210,960-78,405,646,596.48

Finding the Fourth Proportional to 239,753,402,891.52, 359,652,210,960 and 78,405,646,596.48

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Solution

The fourth proportional to 239,753,402,891.52, 359,652,210,960 and 78,405,646,596.48 is: 117,615,699,339.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,753,402,891.52 : 359,652,210,960 = 78,405,646,596.48 : x
  2. Step 2: Convert to fraction form
    239,753,402,891.52/359,652,210,960 = 78,405,646,596.48/x
  3. Step 3: Cross multiply
    239,753,402,891.52x = 359,652,210,960 × 78,405,646,596.48
  4. Step 4: Simplify right side
    239,753,402,891.52x = 28,198,764,150,172,428,533,760
  5. Step 5: Solve for x
    x = 28,198,764,150,172,428,533,760/239,753,402,891.52
  6. Step 6: Final answer
    x = 117,615,699,339.76

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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.