Home / 20,092,238,977.81-30,138,358,456.34-7,502,080,650.39

Finding the Fourth Proportional to 20,092,238,977.81, 30,138,358,456.34 and 7,502,080,650.39

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Solution

The fourth proportional to 20,092,238,977.81, 30,138,358,456.34 and 7,502,080,650.39 is: 11,253,120,971.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,092,238,977.81 : 30,138,358,456.34 = 7,502,080,650.39 : x
  2. Step 2: Convert to fraction form
    20,092,238,977.81/30,138,358,456.34 = 7,502,080,650.39/x
  3. Step 3: Cross multiply
    20,092,238,977.81x = 30,138,358,456.34 × 7,502,080,650.39
  4. Step 4: Simplify right side
    20,092,238,977.81x = 226,100,395,809,931,689,984
  5. Step 5: Solve for x
    x = 226,100,395,809,931,689,984/20,092,238,977.81
  6. Step 6: Final answer
    x = 11,253,120,971.72

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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.