Home / 209,500,221,887.10-314,250,332,830.65-143,380,458,431.10

Finding the Fourth Proportional to 209,500,221,887.10, 314,250,332,830.65 and 143,380,458,431.10

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Solution

The fourth proportional to 209,500,221,887.10, 314,250,332,830.65 and 143,380,458,431.10 is: 215,070,687,646.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,500,221,887.10 : 314,250,332,830.65 = 143,380,458,431.10 : x
  2. Step 2: Convert to fraction form
    209,500,221,887.10/314,250,332,830.65 = 143,380,458,431.10/x
  3. Step 3: Cross multiply
    209,500,221,887.10x = 314,250,332,830.65 × 143,380,458,431.10
  4. Step 4: Simplify right side
    209,500,221,887.10x = 45,057,356,783,384,361,172,992
  5. Step 5: Solve for x
    x = 45,057,356,783,384,361,172,992/209,500,221,887.10
  6. Step 6: Final answer
    x = 215,070,687,646.65

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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.