Home / 291,345,748.85-437,018,623.28-259,601,006.45

Finding the Fourth Proportional to 291,345,748.85, 437,018,623.28 and 259,601,006.45

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Solution

The fourth proportional to 291,345,748.85, 437,018,623.28 and 259,601,006.45 is: 389,401,509.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,345,748.85 : 437,018,623.28 = 259,601,006.45 : x
  2. Step 2: Convert to fraction form
    291,345,748.85/437,018,623.28 = 259,601,006.45/x
  3. Step 3: Cross multiply
    291,345,748.85x = 437,018,623.28 × 259,601,006.45
  4. Step 4: Simplify right side
    291,345,748.85x = 113,450,474,439,583,376
  5. Step 5: Solve for x
    x = 113,450,474,439,583,376/291,345,748.85
  6. Step 6: Final answer
    x = 389,401,509.68

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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.