Home / 930,943,762.56-1,284,643,194.24-513,233,216.64

Finding the Fourth Proportional to 930,943,762.56, 1,284,643,194.24 and 513,233,216.64

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Solution

The fourth proportional to 930,943,762.56, 1,284,643,194.24 and 513,233,216.64 is: 708,229,202.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,943,762.56 : 1,284,643,194.24 = 513,233,216.64 : x
  2. Step 2: Convert to fraction form
    930,943,762.56/1,284,643,194.24 = 513,233,216.64/x
  3. Step 3: Cross multiply
    930,943,762.56x = 1,284,643,194.24 × 513,233,216.64
  4. Step 4: Simplify right side
    930,943,762.56x = 659,321,558,814,479,488
  5. Step 5: Solve for x
    x = 659,321,558,814,479,488/930,943,762.56
  6. Step 6: Final answer
    x = 708,229,202.81

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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.