Home / 314,712,025.20-472,493,190.60-199,920,769.20

Finding the Fourth Proportional to 314,712,025.20, 472,493,190.60 and 199,920,769.20

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Solution

The fourth proportional to 314,712,025.20, 472,493,190.60 and 199,920,769.20 is: 300,151,232.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,712,025.20 : 472,493,190.60 = 199,920,769.20 : x
  2. Step 2: Convert to fraction form
    314,712,025.20/472,493,190.60 = 199,920,769.20/x
  3. Step 3: Cross multiply
    314,712,025.20x = 472,493,190.60 × 199,920,769.20
  4. Step 4: Simplify right side
    314,712,025.20x = 94,461,202,106,514,208
  5. Step 5: Solve for x
    x = 94,461,202,106,514,208/314,712,025.20
  6. Step 6: Final answer
    x = 300,151,232.06

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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.