Home / 751,439,471.59-1,036,951,338.09-416,908,433.76

Finding the Fourth Proportional to 751,439,471.59, 1,036,951,338.09 and 416,908,433.76

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Solution

The fourth proportional to 751,439,471.59, 1,036,951,338.09 and 416,908,433.76 is: 575,314,146.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,439,471.59 : 1,036,951,338.09 = 416,908,433.76 : x
  2. Step 2: Convert to fraction form
    751,439,471.59/1,036,951,338.09 = 416,908,433.76/x
  3. Step 3: Cross multiply
    751,439,471.59x = 1,036,951,338.09 × 416,908,433.76
  4. Step 4: Simplify right side
    751,439,471.59x = 432,313,758,248,438,144
  5. Step 5: Solve for x
    x = 432,313,758,248,438,144/751,439,471.59
  6. Step 6: Final answer
    x = 575,314,146.51

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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.