Home / 549,886,931.74-825,197,150.97-200,132,902.31

Finding the Fourth Proportional to 549,886,931.74, 825,197,150.97 and 200,132,902.31

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Solution

The fourth proportional to 549,886,931.74, 825,197,150.97 and 200,132,902.31 is: 300,332,834.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,886,931.74 : 825,197,150.97 = 200,132,902.31 : x
  2. Step 2: Convert to fraction form
    549,886,931.74/825,197,150.97 = 200,132,902.31/x
  3. Step 3: Cross multiply
    549,886,931.74x = 825,197,150.97 × 200,132,902.31
  4. Step 4: Simplify right side
    549,886,931.74x = 165,149,100,798,505,696
  5. Step 5: Solve for x
    x = 165,149,100,798,505,696/549,886,931.74
  6. Step 6: Final answer
    x = 300,332,834.38

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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.