Home / 311,482,736,408.40-467,218,998,842.46-99,243,985,763.76

Finding the Fourth Proportional to 311,482,736,408.40, 467,218,998,842.46 and 99,243,985,763.76

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Solution

The fourth proportional to 311,482,736,408.40, 467,218,998,842.46 and 99,243,985,763.76 is: 148,864,351,855.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,482,736,408.40 : 467,218,998,842.46 = 99,243,985,763.76 : x
  2. Step 2: Convert to fraction form
    311,482,736,408.40/467,218,998,842.46 = 99,243,985,763.76/x
  3. Step 3: Cross multiply
    311,482,736,408.40x = 467,218,998,842.46 × 99,243,985,763.76
  4. Step 4: Simplify right side
    311,482,736,408.40x = 46,368,675,669,679,297,003,520
  5. Step 5: Solve for x
    x = 46,368,675,669,679,297,003,520/311,482,736,408.40
  6. Step 6: Final answer
    x = 148,864,351,855.71

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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.