Home / 313,663,141.20-470,494,711.80-299,554,366.80

Finding the Fourth Proportional to 313,663,141.20, 470,494,711.80 and 299,554,366.80

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Solution

The fourth proportional to 313,663,141.20, 470,494,711.80 and 299,554,366.80 is: 449,331,550.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,663,141.20 : 470,494,711.80 = 299,554,366.80 : x
  2. Step 2: Convert to fraction form
    313,663,141.20/470,494,711.80 = 299,554,366.80/x
  3. Step 3: Cross multiply
    313,663,141.20x = 470,494,711.80 × 299,554,366.80
  4. Step 4: Simplify right side
    313,663,141.20x = 140,938,745,475,997,504
  5. Step 5: Solve for x
    x = 140,938,745,475,997,504/313,663,141.20
  6. Step 6: Final answer
    x = 449,331,550.20

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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.