Home / 708,589,070.80-1,062,883,606.20-486,659,309.20

Finding the Fourth Proportional to 708,589,070.80, 1,062,883,606.20 and 486,659,309.20

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Solution

The fourth proportional to 708,589,070.80, 1,062,883,606.20 and 486,659,309.20 is: 729,988,963.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,589,070.80 : 1,062,883,606.20 = 486,659,309.20 : x
  2. Step 2: Convert to fraction form
    708,589,070.80/1,062,883,606.20 = 486,659,309.20/x
  3. Step 3: Cross multiply
    708,589,070.80x = 1,062,883,606.20 × 486,659,309.20
  4. Step 4: Simplify right side
    708,589,070.80x = 517,262,201,553,296,832
  5. Step 5: Solve for x
    x = 517,262,201,553,296,832/708,589,070.80
  6. Step 6: Final answer
    x = 729,988,963.80

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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.