Home / 1,314,843,209.60-1,814,540,666.16-728,132,345.60

Finding the Fourth Proportional to 1,314,843,209.60, 1,814,540,666.16 and 728,132,345.60

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Solution

The fourth proportional to 1,314,843,209.60, 1,814,540,666.16 and 728,132,345.60 is: 1,004,854,222.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,843,209.60 : 1,814,540,666.16 = 728,132,345.60 : x
  2. Step 2: Convert to fraction form
    1,314,843,209.60/1,814,540,666.16 = 728,132,345.60/x
  3. Step 3: Cross multiply
    1,314,843,209.60x = 1,814,540,666.16 × 728,132,345.60
  4. Step 4: Simplify right side
    1,314,843,209.60x = 1,321,225,751,437,667,328
  5. Step 5: Solve for x
    x = 1,321,225,751,437,667,328/1,314,843,209.60
  6. Step 6: Final answer
    x = 1,004,854,222.76

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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.