Home / 393,159,200.40-590,116,714.20-199,289,523.60

Finding the Fourth Proportional to 393,159,200.40, 590,116,714.20 and 199,289,523.60

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Solution

The fourth proportional to 393,159,200.40, 590,116,714.20 and 199,289,523.60 is: 299,125,847.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,159,200.40 : 590,116,714.20 = 199,289,523.60 : x
  2. Step 2: Convert to fraction form
    393,159,200.40/590,116,714.20 = 199,289,523.60/x
  3. Step 3: Cross multiply
    393,159,200.40x = 590,116,714.20 × 199,289,523.60
  4. Step 4: Simplify right side
    393,159,200.40x = 117,604,078,841,315,360
  5. Step 5: Solve for x
    x = 117,604,078,841,315,360/393,159,200.40
  6. Step 6: Final answer
    x = 299,125,847.04

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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.