Home / 313,371,310.40-470,131,615.20-151,680,276.80

Finding the Fourth Proportional to 313,371,310.40, 470,131,615.20 and 151,680,276.80

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Solution

The fourth proportional to 313,371,310.40, 470,131,615.20 and 151,680,276.80 is: 227,556,547.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,371,310.40 : 470,131,615.20 = 151,680,276.80 : x
  2. Step 2: Convert to fraction form
    313,371,310.40/470,131,615.20 = 151,680,276.80/x
  3. Step 3: Cross multiply
    313,371,310.40x = 470,131,615.20 × 151,680,276.80
  4. Step 4: Simplify right side
    313,371,310.40x = 71,309,693,525,967,088
  5. Step 5: Solve for x
    x = 71,309,693,525,967,088/313,371,310.40
  6. Step 6: Final answer
    x = 227,556,547.65

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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.