Home / 7,277,285,142.28-10,042,653,512.19-3,935,783,424.25

Finding the Fourth Proportional to 7,277,285,142.28, 10,042,653,512.19 and 3,935,783,424.25

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Solution

The fourth proportional to 7,277,285,142.28, 10,042,653,512.19 and 3,935,783,424.25 is: 5,431,381,134.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,277,285,142.28 : 10,042,653,512.19 = 3,935,783,424.25 : x
  2. Step 2: Convert to fraction form
    7,277,285,142.28/10,042,653,512.19 = 3,935,783,424.25/x
  3. Step 3: Cross multiply
    7,277,285,142.28x = 10,042,653,512.19 × 3,935,783,424.25
  4. Step 4: Simplify right side
    7,277,285,142.28x = 39,525,709,228,763,447,296
  5. Step 5: Solve for x
    x = 39,525,709,228,763,447,296/7,277,285,142.28
  6. Step 6: Final answer
    x = 5,431,381,134.03

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Double scale
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1.5x scale

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.