Home / 22,399,781,591.88-30,911,337,804.78-12,238,291,197.18

Finding the Fourth Proportional to 22,399,781,591.88, 30,911,337,804.78 and 12,238,291,197.18

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Solution

The fourth proportional to 22,399,781,591.88, 30,911,337,804.78 and 12,238,291,197.18 is: 16,888,644,730.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,399,781,591.88 : 30,911,337,804.78 = 12,238,291,197.18 : x
  2. Step 2: Convert to fraction form
    22,399,781,591.88/30,911,337,804.78 = 12,238,291,197.18/x
  3. Step 3: Cross multiply
    22,399,781,591.88x = 30,911,337,804.78 × 12,238,291,197.18
  4. Step 4: Simplify right side
    22,399,781,591.88x = 378,301,953,349,296,390,144
  5. Step 5: Solve for x
    x = 378,301,953,349,296,390,144/22,399,781,591.88
  6. Step 6: Final answer
    x = 16,888,644,730.64

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Double scale
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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.