Home / 379,920,386,469.60-569,880,579,704.40-131,767,200,165.60

Finding the Fourth Proportional to 379,920,386,469.60, 569,880,579,704.40 and 131,767,200,165.60

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Solution

The fourth proportional to 379,920,386,469.60, 569,880,579,704.40 and 131,767,200,165.60 is: 197,650,800,248.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,920,386,469.60 : 569,880,579,704.40 = 131,767,200,165.60 : x
  2. Step 2: Convert to fraction form
    379,920,386,469.60/569,880,579,704.40 = 131,767,200,165.60/x
  3. Step 3: Cross multiply
    379,920,386,469.60x = 569,880,579,704.40 × 131,767,200,165.60
  4. Step 4: Simplify right side
    379,920,386,469.60x = 75,091,568,416,397,845,331,968
  5. Step 5: Solve for x
    x = 75,091,568,416,397,845,331,968/379,920,386,469.60
  6. Step 6: Final answer
    x = 197,650,800,248.40

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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.