Home / 460,643,343.57-690,965,015.34-153,935,456.43

Finding the Fourth Proportional to 460,643,343.57, 690,965,015.34 and 153,935,456.43

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Solution

The fourth proportional to 460,643,343.57, 690,965,015.34 and 153,935,456.43 is: 230,903,184.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,643,343.57 : 690,965,015.34 = 153,935,456.43 : x
  2. Step 2: Convert to fraction form
    460,643,343.57/690,965,015.34 = 153,935,456.43/x
  3. Step 3: Cross multiply
    460,643,343.57x = 690,965,015.34 × 153,935,456.43
  4. Step 4: Simplify right side
    460,643,343.57x = 106,364,015,013,524,864
  5. Step 5: Solve for x
    x = 106,364,015,013,524,864/460,643,343.57
  6. Step 6: Final answer
    x = 230,903,184.64

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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.