Home / 3,280,440,868.40-4,920,661,302.60-982,726,180.40

Finding the Fourth Proportional to 3,280,440,868.40, 4,920,661,302.60 and 982,726,180.40

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Solution

The fourth proportional to 3,280,440,868.40, 4,920,661,302.60 and 982,726,180.40 is: 1,474,089,270.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280,440,868.40 : 4,920,661,302.60 = 982,726,180.40 : x
  2. Step 2: Convert to fraction form
    3,280,440,868.40/4,920,661,302.60 = 982,726,180.40/x
  3. Step 3: Cross multiply
    3,280,440,868.40x = 4,920,661,302.60 × 982,726,180.40
  4. Step 4: Simplify right side
    3,280,440,868.40x = 4,835,662,686,946,187,264
  5. Step 5: Solve for x
    x = 4,835,662,686,946,187,264/3,280,440,868.40
  6. Step 6: Final answer
    x = 1,474,089,270.60

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Double scale
Find fourth proportional to 3,280,440,869.40, 4,920,661,304.10 and 982,726,181.40
Similar ratio
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1.5x scale

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.