Home / 485,310,206.40-727,965,309.60-322,051,531.20

Finding the Fourth Proportional to 485,310,206.40, 727,965,309.60 and 322,051,531.20

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Solution

The fourth proportional to 485,310,206.40, 727,965,309.60 and 322,051,531.20 is: 483,077,296.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,310,206.40 : 727,965,309.60 = 322,051,531.20 : x
  2. Step 2: Convert to fraction form
    485,310,206.40/727,965,309.60 = 322,051,531.20/x
  3. Step 3: Cross multiply
    485,310,206.40x = 727,965,309.60 × 322,051,531.20
  4. Step 4: Simplify right side
    485,310,206.40x = 234,442,342,617,162,048
  5. Step 5: Solve for x
    x = 234,442,342,617,162,048/485,310,206.40
  6. Step 6: Final answer
    x = 483,077,296.80

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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.