Home / 314,937,008.20-472,405,512.30-84,929,343.40

Finding the Fourth Proportional to 314,937,008.20, 472,405,512.30 and 84,929,343.40

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Solution

The fourth proportional to 314,937,008.20, 472,405,512.30 and 84,929,343.40 is: 127,394,015.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,937,008.20 : 472,405,512.30 = 84,929,343.40 : x
  2. Step 2: Convert to fraction form
    314,937,008.20/472,405,512.30 = 84,929,343.40/x
  3. Step 3: Cross multiply
    314,937,008.20x = 472,405,512.30 × 84,929,343.40
  4. Step 4: Simplify right side
    314,937,008.20x = 40,121,089,978,179,624
  5. Step 5: Solve for x
    x = 40,121,089,978,179,624/314,937,008.20
  6. Step 6: Final answer
    x = 127,394,015.10

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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.