Home / 1,258,039,906.92-1,736,100,331.92-693,512,396.28

Finding the Fourth Proportional to 1,258,039,906.92, 1,736,100,331.92 and 693,512,396.28

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Solution

The fourth proportional to 1,258,039,906.92, 1,736,100,331.92 and 693,512,396.28 is: 957,050,006.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,039,906.92 : 1,736,100,331.92 = 693,512,396.28 : x
  2. Step 2: Convert to fraction form
    1,258,039,906.92/1,736,100,331.92 = 693,512,396.28/x
  3. Step 3: Cross multiply
    1,258,039,906.92x = 1,736,100,331.92 × 693,512,396.28
  4. Step 4: Simplify right side
    1,258,039,906.92x = 1,204,007,101,372,342,528
  5. Step 5: Solve for x
    x = 1,204,007,101,372,342,528/1,258,039,906.92
  6. Step 6: Final answer
    x = 957,050,006.72

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Double scale
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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.