Home / 494,769,510.50-683,014,387.18-285,885,247.64

Finding the Fourth Proportional to 494,769,510.50, 683,014,387.18 and 285,885,247.64

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Solution

The fourth proportional to 494,769,510.50, 683,014,387.18 and 285,885,247.64 is: 394,655,962.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,769,510.50 : 683,014,387.18 = 285,885,247.64 : x
  2. Step 2: Convert to fraction form
    494,769,510.50/683,014,387.18 = 285,885,247.64/x
  3. Step 3: Cross multiply
    494,769,510.50x = 683,014,387.18 × 285,885,247.64
  4. Step 4: Simplify right side
    494,769,510.50x = 195,263,737,220,637,120
  5. Step 5: Solve for x
    x = 195,263,737,220,637,120/494,769,510.50
  6. Step 6: Final answer
    x = 394,655,962.17

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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.