Home / 446,394,831.22-615,116,378.58-345,309,157.18

Finding the Fourth Proportional to 446,394,831.22, 615,116,378.58 and 345,309,157.18

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Solution

The fourth proportional to 446,394,831.22, 615,116,378.58 and 345,309,157.18 is: 475,823,874.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,394,831.22 : 615,116,378.58 = 345,309,157.18 : x
  2. Step 2: Convert to fraction form
    446,394,831.22/615,116,378.58 = 345,309,157.18/x
  3. Step 3: Cross multiply
    446,394,831.22x = 615,116,378.58 × 345,309,157.18
  4. Step 4: Simplify right side
    446,394,831.22x = 212,405,318,255,073,632
  5. Step 5: Solve for x
    x = 212,405,318,255,073,632/446,394,831.22
  6. Step 6: Final answer
    x = 475,823,874.74

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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.