Home / 377,061,873.67-520,337,225.77-218,298,690.87

Finding the Fourth Proportional to 377,061,873.67, 520,337,225.77 and 218,298,690.87

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Solution

The fourth proportional to 377,061,873.67, 520,337,225.77 and 218,298,690.87 is: 301,247,469.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,061,873.67 : 520,337,225.77 = 218,298,690.87 : x
  2. Step 2: Convert to fraction form
    377,061,873.67/520,337,225.77 = 218,298,690.87/x
  3. Step 3: Cross multiply
    377,061,873.67x = 520,337,225.77 × 218,298,690.87
  4. Step 4: Simplify right side
    377,061,873.67x = 113,588,935,196,518,624
  5. Step 5: Solve for x
    x = 113,588,935,196,518,624/377,061,873.67
  6. Step 6: Final answer
    x = 301,247,469.26

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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.