Home / 20,487,600,848.54-28,245,084,789.42-14,375,649,160.64

Finding the Fourth Proportional to 20,487,600,848.54, 28,245,084,789.42 and 14,375,649,160.64

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Solution

The fourth proportional to 20,487,600,848.54, 28,245,084,789.42 and 14,375,649,160.64 is: 19,818,886,186.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,487,600,848.54 : 28,245,084,789.42 = 14,375,649,160.64 : x
  2. Step 2: Convert to fraction form
    20,487,600,848.54/28,245,084,789.42 = 14,375,649,160.64/x
  3. Step 3: Cross multiply
    20,487,600,848.54x = 28,245,084,789.42 × 14,375,649,160.64
  4. Step 4: Simplify right side
    20,487,600,848.54x = 406,041,429,445,231,181,824
  5. Step 5: Solve for x
    x = 406,041,429,445,231,181,824/20,487,600,848.54
  6. Step 6: Final answer
    x = 19,818,886,186.19

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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.