Home / 496,430,689.92-685,122,741.60-370,764,715.92

Finding the Fourth Proportional to 496,430,689.92, 685,122,741.60 and 370,764,715.92

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Solution

The fourth proportional to 496,430,689.92, 685,122,741.60 and 370,764,715.92 is: 511,691,448.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,430,689.92 : 685,122,741.60 = 370,764,715.92 : x
  2. Step 2: Convert to fraction form
    496,430,689.92/685,122,741.60 = 370,764,715.92/x
  3. Step 3: Cross multiply
    496,430,689.92x = 685,122,741.60 × 370,764,715.92
  4. Step 4: Simplify right side
    496,430,689.92x = 254,019,338,659,655,584
  5. Step 5: Solve for x
    x = 254,019,338,659,655,584/496,430,689.92
  6. Step 6: Final answer
    x = 511,691,448.21

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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.