Home / 1,290,077,806.92-1,780,458,515.40-733,244,555.94

Finding the Fourth Proportional to 1,290,077,806.92, 1,780,458,515.40 and 733,244,555.94

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Solution

The fourth proportional to 1,290,077,806.92, 1,780,458,515.40 and 733,244,555.94 is: 1,011,963,392.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,290,077,806.92 : 1,780,458,515.40 = 733,244,555.94 : x
  2. Step 2: Convert to fraction form
    1,290,077,806.92/1,780,458,515.40 = 733,244,555.94/x
  3. Step 3: Cross multiply
    1,290,077,806.92x = 1,780,458,515.40 × 733,244,555.94
  4. Step 4: Simplify right side
    1,290,077,806.92x = 1,305,511,513,494,064,896
  5. Step 5: Solve for x
    x = 1,305,511,513,494,064,896/1,290,077,806.92
  6. Step 6: Final answer
    x = 1,011,963,392.05

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Half scale
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Double scale
Find fourth proportional to 1,290,077,807.92, 1,780,458,516.78 and 733,244,556.94
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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.