Home / 2,420,380,339.17-3,340,090,915.74-1,348,728,837.11

Finding the Fourth Proportional to 2,420,380,339.17, 3,340,090,915.74 and 1,348,728,837.11

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Solution

The fourth proportional to 2,420,380,339.17, 3,340,090,915.74 and 1,348,728,837.11 is: 1,861,226,875.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,420,380,339.17 : 3,340,090,915.74 = 1,348,728,837.11 : x
  2. Step 2: Convert to fraction form
    2,420,380,339.17/3,340,090,915.74 = 1,348,728,837.11/x
  3. Step 3: Cross multiply
    2,420,380,339.17x = 3,340,090,915.74 × 1,348,728,837.11
  4. Step 4: Simplify right side
    2,420,380,339.17x = 4,504,876,936,610,984,448
  5. Step 5: Solve for x
    x = 4,504,876,936,610,984,448/2,420,380,339.17
  6. Step 6: Final answer
    x = 1,861,226,875.67

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1.5x scale

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.