Home / 472,392,486.70-708,588,730.05-318,203,737.90

Finding the Fourth Proportional to 472,392,486.70, 708,588,730.05 and 318,203,737.90

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Solution

The fourth proportional to 472,392,486.70, 708,588,730.05 and 318,203,737.90 is: 477,305,606.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,392,486.70 : 708,588,730.05 = 318,203,737.90 : x
  2. Step 2: Convert to fraction form
    472,392,486.70/708,588,730.05 = 318,203,737.90/x
  3. Step 3: Cross multiply
    472,392,486.70x = 708,588,730.05 × 318,203,737.90
  4. Step 4: Simplify right side
    472,392,486.70x = 225,475,582,535,724,032
  5. Step 5: Solve for x
    x = 225,475,582,535,724,032/472,392,486.70
  6. Step 6: Final answer
    x = 477,305,606.85

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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.