Home / 460,142,856,738.20-689,778,928,640.10-271,633,506,440.60

Finding the Fourth Proportional to 460,142,856,738.20, 689,778,928,640.10 and 271,633,506,440.60

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Solution

The fourth proportional to 460,142,856,738.20, 689,778,928,640.10 and 271,633,506,440.60 is: 407,193,258,162.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,142,856,738.20 : 689,778,928,640.10 = 271,633,506,440.60 : x
  2. Step 2: Convert to fraction form
    460,142,856,738.20/689,778,928,640.10 = 271,633,506,440.60/x
  3. Step 3: Cross multiply
    460,142,856,738.20x = 689,778,928,640.10 × 271,633,506,440.60
  4. Step 4: Simplify right side
    460,142,856,738.20x = 187,367,069,055,350,774,693,888
  5. Step 5: Solve for x
    x = 187,367,069,055,350,774,693,888/460,142,856,738.20
  6. Step 6: Final answer
    x = 407,193,258,162.33

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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.