Home / 260,760,402,002.40-391,140,603,003.60-74,645,512,274.40

Finding the Fourth Proportional to 260,760,402,002.40, 391,140,603,003.60 and 74,645,512,274.40

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Solution

The fourth proportional to 260,760,402,002.40, 391,140,603,003.60 and 74,645,512,274.40 is: 111,968,268,411.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,760,402,002.40 : 391,140,603,003.60 = 74,645,512,274.40 : x
  2. Step 2: Convert to fraction form
    260,760,402,002.40/391,140,603,003.60 = 74,645,512,274.40/x
  3. Step 3: Cross multiply
    260,760,402,002.40x = 391,140,603,003.60 × 74,645,512,274.40
  4. Step 4: Simplify right side
    260,760,402,002.40x = 29,196,890,682,521,435,504,640
  5. Step 5: Solve for x
    x = 29,196,890,682,521,435,504,640/260,760,402,002.40
  6. Step 6: Final answer
    x = 111,968,268,411.60

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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.