Home / 496,805,391.60-685,594,135.44-285,095,362.32

Finding the Fourth Proportional to 496,805,391.60, 685,594,135.44 and 285,095,362.32

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Solution

The fourth proportional to 496,805,391.60, 685,594,135.44 and 285,095,362.32 is: 393,433,146.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,805,391.60 : 685,594,135.44 = 285,095,362.32 : x
  2. Step 2: Convert to fraction form
    496,805,391.60/685,594,135.44 = 285,095,362.32/x
  3. Step 3: Cross multiply
    496,805,391.60x = 685,594,135.44 × 285,095,362.32
  4. Step 4: Simplify right side
    496,805,391.60x = 195,459,708,447,733,952
  5. Step 5: Solve for x
    x = 195,459,708,447,733,952/496,805,391.60
  6. Step 6: Final answer
    x = 393,433,146.57

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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.