Home / 386,723,846.70-579,235,464.45-335,705,510.70

Finding the Fourth Proportional to 386,723,846.70, 579,235,464.45 and 335,705,510.70

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Solution

The fourth proportional to 386,723,846.70, 579,235,464.45 and 335,705,510.70 is: 502,820,136.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,723,846.70 : 579,235,464.45 = 335,705,510.70 : x
  2. Step 2: Convert to fraction form
    386,723,846.70/579,235,464.45 = 335,705,510.70/x
  3. Step 3: Cross multiply
    386,723,846.70x = 579,235,464.45 × 335,705,510.70
  4. Step 4: Simplify right side
    386,723,846.70x = 194,452,537,408,738,944
  5. Step 5: Solve for x
    x = 194,452,537,408,738,944/386,723,846.70
  6. Step 6: Final answer
    x = 502,820,136.56

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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.