Home / 20,330,205,917.88-28,056,365,406.90-11,298,344,668.32

Finding the Fourth Proportional to 20,330,205,917.88, 28,056,365,406.90 and 11,298,344,668.32

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Solution

The fourth proportional to 20,330,205,917.88, 28,056,365,406.90 and 11,298,344,668.32 is: 15,592,094,235.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,330,205,917.88 : 28,056,365,406.90 = 11,298,344,668.32 : x
  2. Step 2: Convert to fraction form
    20,330,205,917.88/28,056,365,406.90 = 11,298,344,668.32/x
  3. Step 3: Cross multiply
    20,330,205,917.88x = 28,056,365,406.90 × 11,298,344,668.32
  4. Step 4: Simplify right side
    20,330,205,917.88x = 316,990,486,507,486,314,496
  5. Step 5: Solve for x
    x = 316,990,486,507,486,314,496/20,330,205,917.88
  6. Step 6: Final answer
    x = 15,592,094,235.93

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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.