Home / 840,792,786.46-1,160,271,565.52-464,441,274.16

Finding the Fourth Proportional to 840,792,786.46, 1,160,271,565.52 and 464,441,274.16

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Solution

The fourth proportional to 840,792,786.46, 1,160,271,565.52 and 464,441,274.16 is: 640,916,540.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,792,786.46 : 1,160,271,565.52 = 464,441,274.16 : x
  2. Step 2: Convert to fraction form
    840,792,786.46/1,160,271,565.52 = 464,441,274.16/x
  3. Step 3: Cross multiply
    840,792,786.46x = 1,160,271,565.52 × 464,441,274.16
  4. Step 4: Simplify right side
    840,792,786.46x = 538,878,004,256,503,936
  5. Step 5: Solve for x
    x = 538,878,004,256,503,936/840,792,786.46
  6. Step 6: Final answer
    x = 640,916,540.84

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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.