Home / 209,500,221,890.60-314,250,332,835.90-143,380,458,434.60

Finding the Fourth Proportional to 209,500,221,890.60, 314,250,332,835.90 and 143,380,458,434.60

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Solution

The fourth proportional to 209,500,221,890.60, 314,250,332,835.90 and 143,380,458,434.60 is: 215,070,687,651.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,500,221,890.60 : 314,250,332,835.90 = 143,380,458,434.60 : x
  2. Step 2: Convert to fraction form
    209,500,221,890.60/314,250,332,835.90 = 143,380,458,434.60/x
  3. Step 3: Cross multiply
    209,500,221,890.60x = 314,250,332,835.90 × 143,380,458,434.60
  4. Step 4: Simplify right side
    209,500,221,890.60x = 45,057,356,785,236,976,861,184
  5. Step 5: Solve for x
    x = 45,057,356,785,236,976,861,184/209,500,221,890.60
  6. Step 6: Final answer
    x = 215,070,687,651.90

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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.