Home / 840,792,864.60-1,160,271,673.20-464,441,352.48

Finding the Fourth Proportional to 840,792,864.60, 1,160,271,673.20 and 464,441,352.48

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Solution

The fourth proportional to 840,792,864.60, 1,160,271,673.20 and 464,441,352.48 is: 640,916,648.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,792,864.60 : 1,160,271,673.20 = 464,441,352.48 : x
  2. Step 2: Convert to fraction form
    840,792,864.60/1,160,271,673.20 = 464,441,352.48/x
  3. Step 3: Cross multiply
    840,792,864.60x = 1,160,271,673.20 × 464,441,352.48
  4. Step 4: Simplify right side
    840,792,864.60x = 538,878,145,145,240,640
  5. Step 5: Solve for x
    x = 538,878,145,145,240,640/840,792,864.60
  6. Step 6: Final answer
    x = 640,916,648.84

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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.