Home / 15,716,567,736.64-21,688,753,142.64-8,579,981,548

Finding the Fourth Proportional to 15,716,567,736.64, 21,688,753,142.64 and 8,579,981,548

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Solution

The fourth proportional to 15,716,567,736.64, 21,688,753,142.64 and 8,579,981,548 is: 11,840,314,302.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,716,567,736.64 : 21,688,753,142.64 = 8,579,981,548 : x
  2. Step 2: Convert to fraction form
    15,716,567,736.64/21,688,753,142.64 = 8,579,981,548/x
  3. Step 3: Cross multiply
    15,716,567,736.64x = 21,688,753,142.64 × 8,579,981,548
  4. Step 4: Simplify right side
    15,716,567,736.64x = 186,089,101,762,978,217,984
  5. Step 5: Solve for x
    x = 186,089,101,762,978,217,984/15,716,567,736.64
  6. Step 6: Final answer
    x = 11,840,314,302.79

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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.