Home / 279,963,670.15-419,945,505.23-256,155,113.35

Finding the Fourth Proportional to 279,963,670.15, 419,945,505.23 and 256,155,113.35

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Solution

The fourth proportional to 279,963,670.15, 419,945,505.23 and 256,155,113.35 is: 384,232,670.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,963,670.15 : 419,945,505.23 = 256,155,113.35 : x
  2. Step 2: Convert to fraction form
    279,963,670.15/419,945,505.23 = 256,155,113.35/x
  3. Step 3: Cross multiply
    279,963,670.15x = 419,945,505.23 × 256,155,113.35
  4. Step 4: Simplify right side
    279,963,670.15x = 107,571,188,493,013,664
  5. Step 5: Solve for x
    x = 107,571,188,493,013,664/279,963,670.15
  6. Step 6: Final answer
    x = 384,232,670.03

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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.