Home / 463,275,042.57-695,030,187.20-214,459,680.78

Finding the Fourth Proportional to 463,275,042.57, 695,030,187.20 and 214,459,680.78

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Solution

The fourth proportional to 463,275,042.57, 695,030,187.20 and 214,459,680.78 is: 321,743,971.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,275,042.57 : 695,030,187.20 = 214,459,680.78 : x
  2. Step 2: Convert to fraction form
    463,275,042.57/695,030,187.20 = 214,459,680.78/x
  3. Step 3: Cross multiply
    463,275,042.57x = 695,030,187.20 × 214,459,680.78
  4. Step 4: Simplify right side
    463,275,042.57x = 149,055,952,078,303,360
  5. Step 5: Solve for x
    x = 149,055,952,078,303,360/463,275,042.57
  6. Step 6: Final answer
    x = 321,743,971.47

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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.