Home / 840,792,907.72-1,160,271,732.54-464,441,395.48

Finding the Fourth Proportional to 840,792,907.72, 1,160,271,732.54 and 464,441,395.48

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Solution

The fourth proportional to 840,792,907.72, 1,160,271,732.54 and 464,441,395.48 is: 640,916,708.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,792,907.72 : 1,160,271,732.54 = 464,441,395.48 : x
  2. Step 2: Convert to fraction form
    840,792,907.72/1,160,271,732.54 = 464,441,395.48/x
  3. Step 3: Cross multiply
    840,792,907.72x = 1,160,271,732.54 × 464,441,395.48
  4. Step 4: Simplify right side
    840,792,907.72x = 538,878,222,596,874,944
  5. Step 5: Solve for x
    x = 538,878,222,596,874,944/840,792,907.72
  6. Step 6: Final answer
    x = 640,916,708.08

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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.