Home / 484,821,967-727,335,086.37-157,271,904.40

Finding the Fourth Proportional to 484,821,967, 727,335,086.37 and 157,271,904.40

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Solution

The fourth proportional to 484,821,967, 727,335,086.37 and 157,271,904.40 is: 235,940,988.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,821,967 : 727,335,086.37 = 157,271,904.40 : x
  2. Step 2: Convert to fraction form
    484,821,967/727,335,086.37 = 157,271,904.40/x
  3. Step 3: Cross multiply
    484,821,967x = 727,335,086.37 × 157,271,904.40
  4. Step 4: Simplify right side
    484,821,967x = 114,389,374,170,348,384
  5. Step 5: Solve for x
    x = 114,389,374,170,348,384/484,821,967
  6. Step 6: Final answer
    x = 235,940,988.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.