Home / 209,500,221,876.10-314,250,332,814.15-143,380,458,420.10

Finding the Fourth Proportional to 209,500,221,876.10, 314,250,332,814.15 and 143,380,458,420.10

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Solution

The fourth proportional to 209,500,221,876.10, 314,250,332,814.15 and 143,380,458,420.10 is: 215,070,687,630.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,500,221,876.10 : 314,250,332,814.15 = 143,380,458,420.10 : x
  2. Step 2: Convert to fraction form
    209,500,221,876.10/314,250,332,814.15 = 143,380,458,420.10/x
  3. Step 3: Cross multiply
    209,500,221,876.10x = 314,250,332,814.15 × 143,380,458,420.10
  4. Step 4: Simplify right side
    209,500,221,876.10x = 45,057,356,777,561,828,360,192
  5. Step 5: Solve for x
    x = 45,057,356,777,561,828,360,192/209,500,221,876.10
  6. Step 6: Final answer
    x = 215,070,687,630.15

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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.