Home / 1,314,843,205.60-1,814,540,660.64-728,132,341.60

Finding the Fourth Proportional to 1,314,843,205.60, 1,814,540,660.64 and 728,132,341.60

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Solution

The fourth proportional to 1,314,843,205.60, 1,814,540,660.64 and 728,132,341.60 is: 1,004,854,217.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,843,205.60 : 1,814,540,660.64 = 728,132,341.60 : x
  2. Step 2: Convert to fraction form
    1,314,843,205.60/1,814,540,660.64 = 728,132,341.60/x
  3. Step 3: Cross multiply
    1,314,843,205.60x = 1,814,540,660.64 × 728,132,341.60
  4. Step 4: Simplify right side
    1,314,843,205.60x = 1,321,225,740,160,214,272
  5. Step 5: Solve for x
    x = 1,321,225,740,160,214,272/1,314,843,205.60
  6. Step 6: Final answer
    x = 1,004,854,217.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.