Home / 840,792,785.51-1,160,271,564.22-464,441,273.22

Finding the Fourth Proportional to 840,792,785.51, 1,160,271,564.22 and 464,441,273.22

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Solution

The fourth proportional to 840,792,785.51, 1,160,271,564.22 and 464,441,273.22 is: 640,916,539.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,792,785.51 : 1,160,271,564.22 = 464,441,273.22 : x
  2. Step 2: Convert to fraction form
    840,792,785.51/1,160,271,564.22 = 464,441,273.22/x
  3. Step 3: Cross multiply
    840,792,785.51x = 1,160,271,564.22 × 464,441,273.22
  4. Step 4: Simplify right side
    840,792,785.51x = 538,878,002,566,136,704
  5. Step 5: Solve for x
    x = 538,878,002,566,136,704/840,792,785.51
  6. Step 6: Final answer
    x = 640,916,539.55

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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.