Home / 529,373,007.20-794,059,510.80-393,324,111.20

Finding the Fourth Proportional to 529,373,007.20, 794,059,510.80 and 393,324,111.20

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Solution

The fourth proportional to 529,373,007.20, 794,059,510.80 and 393,324,111.20 is: 589,986,166.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,373,007.20 : 794,059,510.80 = 393,324,111.20 : x
  2. Step 2: Convert to fraction form
    529,373,007.20/794,059,510.80 = 393,324,111.20/x
  3. Step 3: Cross multiply
    529,373,007.20x = 794,059,510.80 × 393,324,111.20
  4. Step 4: Simplify right side
    529,373,007.20x = 312,322,751,325,316,800
  5. Step 5: Solve for x
    x = 312,322,751,325,316,800/529,373,007.20
  6. Step 6: Final answer
    x = 589,986,166.80

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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.