Home / 14,558,978,653.64-20,091,194,101.50-8,128,897,678.02

Finding the Fourth Proportional to 14,558,978,653.64, 20,091,194,101.50 and 8,128,897,678.02

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Solution

The fourth proportional to 14,558,978,653.64, 20,091,194,101.50 and 8,128,897,678.02 is: 11,217,769,114.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,558,978,653.64 : 20,091,194,101.50 = 8,128,897,678.02 : x
  2. Step 2: Convert to fraction form
    14,558,978,653.64/20,091,194,101.50 = 8,128,897,678.02/x
  3. Step 3: Cross multiply
    14,558,978,653.64x = 20,091,194,101.50 × 8,128,897,678.02
  4. Step 4: Simplify right side
    14,558,978,653.64x = 163,319,261,080,332,468,224
  5. Step 5: Solve for x
    x = 163,319,261,080,332,468,224/14,558,978,653.64
  6. Step 6: Final answer
    x = 11,217,769,114.56

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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.