Home / 417,749,426.28-576,029,309.22-285,611,858.28

Finding the Fourth Proportional to 417,749,426.28, 576,029,309.22 and 285,611,858.28

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Solution

The fourth proportional to 417,749,426.28, 576,029,309.22 and 285,611,858.28 is: 393,826,516.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,749,426.28 : 576,029,309.22 = 285,611,858.28 : x
  2. Step 2: Convert to fraction form
    417,749,426.28/576,029,309.22 = 285,611,858.28/x
  3. Step 3: Cross multiply
    417,749,426.28x = 576,029,309.22 × 285,611,858.28
  4. Step 4: Simplify right side
    417,749,426.28x = 164,520,801,430,068,928
  5. Step 5: Solve for x
    x = 164,520,801,430,068,928/417,749,426.28
  6. Step 6: Final answer
    x = 393,826,516.76

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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.