Home / 558,840,538.80-838,260,808.20-555,014,163.60

Finding the Fourth Proportional to 558,840,538.80, 838,260,808.20 and 555,014,163.60

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Solution

The fourth proportional to 558,840,538.80, 838,260,808.20 and 555,014,163.60 is: 832,521,245.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,840,538.80 : 838,260,808.20 = 555,014,163.60 : x
  2. Step 2: Convert to fraction form
    558,840,538.80/838,260,808.20 = 555,014,163.60/x
  3. Step 3: Cross multiply
    558,840,538.80x = 838,260,808.20 × 555,014,163.60
  4. Step 4: Simplify right side
    558,840,538.80x = 465,246,621,341,783,040
  5. Step 5: Solve for x
    x = 465,246,621,341,783,040/558,840,538.80
  6. Step 6: Final answer
    x = 832,521,245.40

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1.5x scale

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.