Home / 686,201,614.32-946,965,541.56-372,935,844.72

Finding the Fourth Proportional to 686,201,614.32, 946,965,541.56 and 372,935,844.72

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Solution

The fourth proportional to 686,201,614.32, 946,965,541.56 and 372,935,844.72 is: 514,655,440.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,201,614.32 : 946,965,541.56 = 372,935,844.72 : x
  2. Step 2: Convert to fraction form
    686,201,614.32/946,965,541.56 = 372,935,844.72/x
  3. Step 3: Cross multiply
    686,201,614.32x = 946,965,541.56 × 372,935,844.72
  4. Step 4: Simplify right side
    686,201,614.32x = 353,157,394,162,410,880
  5. Step 5: Solve for x
    x = 353,157,394,162,410,880/686,201,614.32
  6. Step 6: Final answer
    x = 514,655,440.61

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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.