Home / 11,428,196,489.30-17,144,502,321.92-4,345,128,640.64

Finding the Fourth Proportional to 11,428,196,489.30, 17,144,502,321.92 and 4,345,128,640.64

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Solution

The fourth proportional to 11,428,196,489.30, 17,144,502,321.92 and 4,345,128,640.64 is: 6,518,532,310.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,428,196,489.30 : 17,144,502,321.92 = 4,345,128,640.64 : x
  2. Step 2: Convert to fraction form
    11,428,196,489.30/17,144,502,321.92 = 4,345,128,640.64/x
  3. Step 3: Cross multiply
    11,428,196,489.30x = 17,144,502,321.92 × 4,345,128,640.64
  4. Step 4: Simplify right side
    11,428,196,489.30x = 74,495,068,068,493,574,144
  5. Step 5: Solve for x
    x = 74,495,068,068,493,574,144/11,428,196,489.30
  6. Step 6: Final answer
    x = 6,518,532,310.70

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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.