Home / 7,277,285,145.28-10,042,653,516.34-3,935,783,427.26

Finding the Fourth Proportional to 7,277,285,145.28, 10,042,653,516.34 and 3,935,783,427.26

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Solution

The fourth proportional to 7,277,285,145.28, 10,042,653,516.34 and 3,935,783,427.26 is: 5,431,381,138.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,277,285,145.28 : 10,042,653,516.34 = 3,935,783,427.26 : x
  2. Step 2: Convert to fraction form
    7,277,285,145.28/10,042,653,516.34 = 3,935,783,427.26/x
  3. Step 3: Cross multiply
    7,277,285,145.28x = 10,042,653,516.34 × 3,935,783,427.26
  4. Step 4: Simplify right side
    7,277,285,145.28x = 39,525,709,275,325,341,696
  5. Step 5: Solve for x
    x = 39,525,709,275,325,341,696/7,277,285,145.28
  6. Step 6: Final answer
    x = 5,431,381,138.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.