Home / 494,769,509.50-683,014,385.80-285,885,246.64

Finding the Fourth Proportional to 494,769,509.50, 683,014,385.80 and 285,885,246.64

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Solution

The fourth proportional to 494,769,509.50, 683,014,385.80 and 285,885,246.64 is: 394,655,960.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,769,509.50 : 683,014,385.80 = 285,885,246.64 : x
  2. Step 2: Convert to fraction form
    494,769,509.50/683,014,385.80 = 285,885,246.64/x
  3. Step 3: Cross multiply
    494,769,509.50x = 683,014,385.80 × 285,885,246.64
  4. Step 4: Simplify right side
    494,769,509.50x = 195,263,736,143,101,088
  5. Step 5: Solve for x
    x = 195,263,736,143,101,088/494,769,509.50
  6. Step 6: Final answer
    x = 394,655,960.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.