Home / 20,330,205,918.88-28,056,365,408.28-11,298,344,669.32

Finding the Fourth Proportional to 20,330,205,918.88, 28,056,365,408.28 and 11,298,344,669.32

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Solution

The fourth proportional to 20,330,205,918.88, 28,056,365,408.28 and 11,298,344,669.32 is: 15,592,094,237.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,330,205,918.88 : 28,056,365,408.28 = 11,298,344,669.32 : x
  2. Step 2: Convert to fraction form
    20,330,205,918.88/28,056,365,408.28 = 11,298,344,669.32/x
  3. Step 3: Cross multiply
    20,330,205,918.88x = 28,056,365,408.28 × 11,298,344,669.32
  4. Step 4: Simplify right side
    20,330,205,918.88x = 316,990,486,551,134,339,072
  5. Step 5: Solve for x
    x = 316,990,486,551,134,339,072/20,330,205,918.88
  6. Step 6: Final answer
    x = 15,592,094,237.31

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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.