Home / 320,113,004.12-441,620,673.66-214,300,508.62

Finding the Fourth Proportional to 320,113,004.12, 441,620,673.66 and 214,300,508.62

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Solution

The fourth proportional to 320,113,004.12, 441,620,673.66 and 214,300,508.62 is: 295,644,143.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,113,004.12 : 441,620,673.66 = 214,300,508.62 : x
  2. Step 2: Convert to fraction form
    320,113,004.12/441,620,673.66 = 214,300,508.62/x
  3. Step 3: Cross multiply
    320,113,004.12x = 441,620,673.66 × 214,300,508.62
  4. Step 4: Simplify right side
    320,113,004.12x = 94,639,534,982,445,040
  5. Step 5: Solve for x
    x = 94,639,534,982,445,040/320,113,004.12
  6. Step 6: Final answer
    x = 295,644,143.68

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1.5x scale

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.