Home / 291,345,744.60-437,018,616.90-259,601,002.20

Finding the Fourth Proportional to 291,345,744.60, 437,018,616.90 and 259,601,002.20

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Solution

The fourth proportional to 291,345,744.60, 437,018,616.90 and 259,601,002.20 is: 389,401,503.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,345,744.60 : 437,018,616.90 = 259,601,002.20 : x
  2. Step 2: Convert to fraction form
    291,345,744.60/437,018,616.90 = 259,601,002.20/x
  3. Step 3: Cross multiply
    291,345,744.60x = 437,018,616.90 × 259,601,002.20
  4. Step 4: Simplify right side
    291,345,744.60x = 113,450,470,927,297,840
  5. Step 5: Solve for x
    x = 113,450,470,927,297,840/291,345,744.60
  6. Step 6: Final answer
    x = 389,401,503.30

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1.5x scale

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.