Home / 656,257,608.20-984,386,412.30-549,558,446.60

Finding the Fourth Proportional to 656,257,608.20, 984,386,412.30 and 549,558,446.60

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Solution

The fourth proportional to 656,257,608.20, 984,386,412.30 and 549,558,446.60 is: 824,337,669.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,257,608.20 : 984,386,412.30 = 549,558,446.60 : x
  2. Step 2: Convert to fraction form
    656,257,608.20/984,386,412.30 = 549,558,446.60/x
  3. Step 3: Cross multiply
    656,257,608.20x = 984,386,412.30 × 549,558,446.60
  4. Step 4: Simplify right side
    656,257,608.20x = 540,977,867,597,735,104
  5. Step 5: Solve for x
    x = 540,977,867,597,735,104/656,257,608.20
  6. Step 6: Final answer
    x = 824,337,669.90

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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.