Home / 10,077,728,081.60-15,116,592,122.40-6,921,393,694.40

Finding the Fourth Proportional to 10,077,728,081.60, 15,116,592,122.40 and 6,921,393,694.40

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Solution

The fourth proportional to 10,077,728,081.60, 15,116,592,122.40 and 6,921,393,694.40 is: 10,382,090,541.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,077,728,081.60 : 15,116,592,122.40 = 6,921,393,694.40 : x
  2. Step 2: Convert to fraction form
    10,077,728,081.60/15,116,592,122.40 = 6,921,393,694.40/x
  3. Step 3: Cross multiply
    10,077,728,081.60x = 15,116,592,122.40 × 6,921,393,694.40
  4. Step 4: Simplify right side
    10,077,728,081.60x = 104,627,885,396,796,063,744
  5. Step 5: Solve for x
    x = 104,627,885,396,796,063,744/10,077,728,081.60
  6. Step 6: Final answer
    x = 10,382,090,541.60

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Double scale
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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.