Home / 472,392,002.70-708,588,004.05-242,384,337.90

Finding the Fourth Proportional to 472,392,002.70, 708,588,004.05 and 242,384,337.90

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Solution

The fourth proportional to 472,392,002.70, 708,588,004.05 and 242,384,337.90 is: 363,576,506.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,392,002.70 : 708,588,004.05 = 242,384,337.90 : x
  2. Step 2: Convert to fraction form
    472,392,002.70/708,588,004.05 = 242,384,337.90/x
  3. Step 3: Cross multiply
    472,392,002.70x = 708,588,004.05 × 242,384,337.90
  4. Step 4: Simplify right side
    472,392,002.70x = 171,750,634,205,541,760
  5. Step 5: Solve for x
    x = 171,750,634,205,541,760/472,392,002.70
  6. Step 6: Final answer
    x = 363,576,506.85

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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.