Home / 554,447,004.48-765,142,912.80-306,932,492.16

Finding the Fourth Proportional to 554,447,004.48, 765,142,912.80 and 306,932,492.16

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Solution

The fourth proportional to 554,447,004.48, 765,142,912.80 and 306,932,492.16 is: 423,570,186.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,447,004.48 : 765,142,912.80 = 306,932,492.16 : x
  2. Step 2: Convert to fraction form
    554,447,004.48/765,142,912.80 = 306,932,492.16/x
  3. Step 3: Cross multiply
    554,447,004.48x = 765,142,912.80 × 306,932,492.16
  4. Step 4: Simplify right side
    554,447,004.48x = 234,847,221,084,265,568
  5. Step 5: Solve for x
    x = 234,847,221,084,265,568/554,447,004.48
  6. Step 6: Final answer
    x = 423,570,186.49

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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.