Home / 708,588,763.80-1,062,883,145.70-248,360,857.80

Finding the Fourth Proportional to 708,588,763.80, 1,062,883,145.70 and 248,360,857.80

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Solution

The fourth proportional to 708,588,763.80, 1,062,883,145.70 and 248,360,857.80 is: 372,541,286.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,588,763.80 : 1,062,883,145.70 = 248,360,857.80 : x
  2. Step 2: Convert to fraction form
    708,588,763.80/1,062,883,145.70 = 248,360,857.80/x
  3. Step 3: Cross multiply
    708,588,763.80x = 1,062,883,145.70 × 248,360,857.80
  4. Step 4: Simplify right side
    708,588,763.80x = 263,978,569,807,214,400
  5. Step 5: Solve for x
    x = 263,978,569,807,214,400/708,588,763.80
  6. Step 6: Final answer
    x = 372,541,286.70

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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.