Home / 11,408,128,649.04-15,725,027,235.38-8,992,872,419.42

Finding the Fourth Proportional to 11,408,128,649.04, 15,725,027,235.38 and 8,992,872,419.42

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Solution

The fourth proportional to 11,408,128,649.04, 15,725,027,235.38 and 8,992,872,419.42 is: 12,395,824,772.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,408,128,649.04 : 15,725,027,235.38 = 8,992,872,419.42 : x
  2. Step 2: Convert to fraction form
    11,408,128,649.04/15,725,027,235.38 = 8,992,872,419.42/x
  3. Step 3: Cross multiply
    11,408,128,649.04x = 15,725,027,235.38 × 8,992,872,419.42
  4. Step 4: Simplify right side
    11,408,128,649.04x = 141,413,163,719,677,132,800
  5. Step 5: Solve for x
    x = 141,413,163,719,677,132,800/11,408,128,649.04
  6. Step 6: Final answer
    x = 12,395,824,772.85

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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.