Home / 708,588,764.80-1,062,883,147.20-248,360,858.80

Finding the Fourth Proportional to 708,588,764.80, 1,062,883,147.20 and 248,360,858.80

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Solution

The fourth proportional to 708,588,764.80, 1,062,883,147.20 and 248,360,858.80 is: 372,541,288.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,588,764.80 : 1,062,883,147.20 = 248,360,858.80 : x
  2. Step 2: Convert to fraction form
    708,588,764.80/1,062,883,147.20 = 248,360,858.80/x
  3. Step 3: Cross multiply
    708,588,764.80x = 1,062,883,147.20 × 248,360,858.80
  4. Step 4: Simplify right side
    708,588,764.80x = 263,978,571,242,638,848
  5. Step 5: Solve for x
    x = 263,978,571,242,638,848/708,588,764.80
  6. Step 6: Final answer
    x = 372,541,288.20

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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.