Home / 708,689,199.06-1,063,576,378.74-320,784,440.22

Finding the Fourth Proportional to 708,689,199.06, 1,063,576,378.74 and 320,784,440.22

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Solution

The fourth proportional to 708,689,199.06, 1,063,576,378.74 and 320,784,440.22 is: 481,422,256.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,689,199.06 : 1,063,576,378.74 = 320,784,440.22 : x
  2. Step 2: Convert to fraction form
    708,689,199.06/1,063,576,378.74 = 320,784,440.22/x
  3. Step 3: Cross multiply
    708,689,199.06x = 1,063,576,378.74 × 320,784,440.22
  4. Step 4: Simplify right side
    708,689,199.06x = 341,178,753,285,325,632
  5. Step 5: Solve for x
    x = 341,178,753,285,325,632/708,689,199.06
  6. Step 6: Final answer
    x = 481,422,256.38

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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.