Home / 792,457,832.78-1,093,692,699.90-479,194,288.64

Finding the Fourth Proportional to 792,457,832.78, 1,093,692,699.90 and 479,194,288.64

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Solution

The fourth proportional to 792,457,832.78, 1,093,692,699.90 and 479,194,288.64 is: 661,349,126.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,457,832.78 : 1,093,692,699.90 = 479,194,288.64 : x
  2. Step 2: Convert to fraction form
    792,457,832.78/1,093,692,699.90 = 479,194,288.64/x
  3. Step 3: Cross multiply
    792,457,832.78x = 1,093,692,699.90 × 479,194,288.64
  4. Step 4: Simplify right side
    792,457,832.78x = 524,091,295,319,341,504
  5. Step 5: Solve for x
    x = 524,091,295,319,341,504/792,457,832.78
  6. Step 6: Final answer
    x = 661,349,126.28

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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.