Home / 220,739,858,509.43-304,677,682,469.62-143,769,501,465.05

Finding the Fourth Proportional to 220,739,858,509.43, 304,677,682,469.62 and 143,769,501,465.05

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Solution

The fourth proportional to 220,739,858,509.43, 304,677,682,469.62 and 143,769,501,465.05 is: 198,438,826,644.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,739,858,509.43 : 304,677,682,469.62 = 143,769,501,465.05 : x
  2. Step 2: Convert to fraction form
    220,739,858,509.43/304,677,682,469.62 = 143,769,501,465.05/x
  3. Step 3: Cross multiply
    220,739,858,509.43x = 304,677,682,469.62 × 143,769,501,465.05
  4. Step 4: Simplify right side
    220,739,858,509.43x = 43,803,358,516,184,065,507,328
  5. Step 5: Solve for x
    x = 43,803,358,516,184,065,507,328/220,739,858,509.43
  6. Step 6: Final answer
    x = 198,438,826,644.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.