Home / 708,589,040.20-1,062,883,560.30-320,424,533.80

Finding the Fourth Proportional to 708,589,040.20, 1,062,883,560.30 and 320,424,533.80

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Solution

The fourth proportional to 708,589,040.20, 1,062,883,560.30 and 320,424,533.80 is: 480,636,800.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,589,040.20 : 1,062,883,560.30 = 320,424,533.80 : x
  2. Step 2: Convert to fraction form
    708,589,040.20/1,062,883,560.30 = 320,424,533.80/x
  3. Step 3: Cross multiply
    708,589,040.20x = 1,062,883,560.30 × 320,424,533.80
  4. Step 4: Simplify right side
    708,589,040.20x = 340,573,969,292,811,712
  5. Step 5: Solve for x
    x = 340,573,969,292,811,712/708,589,040.20
  6. Step 6: Final answer
    x = 480,636,800.70

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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.