Home / 768,730,219.78-1,153,291,962.82-223,471,753.78

Finding the Fourth Proportional to 768,730,219.78, 1,153,291,962.82 and 223,471,753.78

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Solution

The fourth proportional to 768,730,219.78, 1,153,291,962.82 and 223,471,753.78 is: 335,264,792.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,730,219.78 : 1,153,291,962.82 = 223,471,753.78 : x
  2. Step 2: Convert to fraction form
    768,730,219.78/1,153,291,962.82 = 223,471,753.78/x
  3. Step 3: Cross multiply
    768,730,219.78x = 1,153,291,962.82 × 223,471,753.78
  4. Step 4: Simplify right side
    768,730,219.78x = 257,728,177,551,763,936
  5. Step 5: Solve for x
    x = 257,728,177,551,763,936/768,730,219.78
  6. Step 6: Final answer
    x = 335,264,792.41

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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.