Home / 291,297,697.20-436,946,545.80-277,860,769.20

Finding the Fourth Proportional to 291,297,697.20, 436,946,545.80 and 277,860,769.20

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Solution

The fourth proportional to 291,297,697.20, 436,946,545.80 and 277,860,769.20 is: 416,791,153.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,297,697.20 : 436,946,545.80 = 277,860,769.20 : x
  2. Step 2: Convert to fraction form
    291,297,697.20/436,946,545.80 = 277,860,769.20/x
  3. Step 3: Cross multiply
    291,297,697.20x = 436,946,545.80 × 277,860,769.20
  4. Step 4: Simplify right side
    291,297,697.20x = 121,410,303,315,271,024
  5. Step 5: Solve for x
    x = 121,410,303,315,271,024/291,297,697.20
  6. Step 6: Final answer
    x = 416,791,153.80

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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.