Home / 380,415,303,584.58-524,973,456,655.29-209,140,149,104.58

Finding the Fourth Proportional to 380,415,303,584.58, 524,973,456,655.29 and 209,140,149,104.58

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Solution

The fourth proportional to 380,415,303,584.58, 524,973,456,655.29 and 209,140,149,104.58 is: 288,613,591,425.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,415,303,584.58 : 524,973,456,655.29 = 209,140,149,104.58 : x
  2. Step 2: Convert to fraction form
    380,415,303,584.58/524,973,456,655.29 = 209,140,149,104.58/x
  3. Step 3: Cross multiply
    380,415,303,584.58x = 524,973,456,655.29 × 209,140,149,104.58
  4. Step 4: Simplify right side
    380,415,303,584.58x = 109,793,027,000,834,098,987,008
  5. Step 5: Solve for x
    x = 109,793,027,000,834,098,987,008/380,415,303,584.58
  6. Step 6: Final answer
    x = 288,613,591,425.68

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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.