Home / 751,439,474.72-1,036,951,342.40-416,908,436.88

Finding the Fourth Proportional to 751,439,474.72, 1,036,951,342.40 and 416,908,436.88

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Solution

The fourth proportional to 751,439,474.72, 1,036,951,342.40 and 416,908,436.88 is: 575,314,150.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,439,474.72 : 1,036,951,342.40 = 416,908,436.88 : x
  2. Step 2: Convert to fraction form
    751,439,474.72/1,036,951,342.40 = 416,908,436.88/x
  3. Step 3: Cross multiply
    751,439,474.72x = 1,036,951,342.40 × 416,908,436.88
  4. Step 4: Simplify right side
    751,439,474.72x = 432,313,763,280,601,664
  5. Step 5: Solve for x
    x = 432,313,763,280,601,664/751,439,474.72
  6. Step 6: Final answer
    x = 575,314,150.81

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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.