Home / 313,371,314.40-470,131,621.20-151,680,280.80

Finding the Fourth Proportional to 313,371,314.40, 470,131,621.20 and 151,680,280.80

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Solution

The fourth proportional to 313,371,314.40, 470,131,621.20 and 151,680,280.80 is: 227,556,553.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,371,314.40 : 470,131,621.20 = 151,680,280.80 : x
  2. Step 2: Convert to fraction form
    313,371,314.40/470,131,621.20 = 151,680,280.80/x
  3. Step 3: Cross multiply
    313,371,314.40x = 470,131,621.20 × 151,680,280.80
  4. Step 4: Simplify right side
    313,371,314.40x = 71,309,696,316,575,240
  5. Step 5: Solve for x
    x = 71,309,696,316,575,240/313,371,314.40
  6. Step 6: Final answer
    x = 227,556,553.65

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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.