Home / 558,800,147.70-838,200,221.55-549,730,221.30

Finding the Fourth Proportional to 558,800,147.70, 838,200,221.55 and 549,730,221.30

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Solution

The fourth proportional to 558,800,147.70, 838,200,221.55 and 549,730,221.30 is: 824,595,331.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,800,147.70 : 838,200,221.55 = 549,730,221.30 : x
  2. Step 2: Convert to fraction form
    558,800,147.70/838,200,221.55 = 549,730,221.30/x
  3. Step 3: Cross multiply
    558,800,147.70x = 838,200,221.55 × 549,730,221.30
  4. Step 4: Simplify right side
    558,800,147.70x = 460,783,993,286,390,464
  5. Step 5: Solve for x
    x = 460,783,993,286,390,464/558,800,147.70
  6. Step 6: Final answer
    x = 824,595,331.95

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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.