Home / 554,447,046.86-765,142,971.29-306,932,534.54

Finding the Fourth Proportional to 554,447,046.86, 765,142,971.29 and 306,932,534.54

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Solution

The fourth proportional to 554,447,046.86, 765,142,971.29 and 306,932,534.54 is: 423,570,244.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,447,046.86 : 765,142,971.29 = 306,932,534.54 : x
  2. Step 2: Convert to fraction form
    554,447,046.86/765,142,971.29 = 306,932,534.54/x
  3. Step 3: Cross multiply
    554,447,046.86x = 765,142,971.29 × 306,932,534.54
  4. Step 4: Simplify right side
    554,447,046.86x = 234,847,271,458,145,792
  5. Step 5: Solve for x
    x = 234,847,271,458,145,792/554,447,046.86
  6. Step 6: Final answer
    x = 423,570,244.97

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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.