Home / 1,293,907,808.30-1,938,886,751.01-768,241,768.10

Finding the Fourth Proportional to 1,293,907,808.30, 1,938,886,751.01 and 768,241,768.10

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Solution

The fourth proportional to 1,293,907,808.30, 1,938,886,751.01 and 768,241,768.10 is: 1,151,190,043.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,907,808.30 : 1,938,886,751.01 = 768,241,768.10 : x
  2. Step 2: Convert to fraction form
    1,293,907,808.30/1,938,886,751.01 = 768,241,768.10/x
  3. Step 3: Cross multiply
    1,293,907,808.30x = 1,938,886,751.01 × 768,241,768.10
  4. Step 4: Simplify right side
    1,293,907,808.30x = 1,489,533,785,741,586,944
  5. Step 5: Solve for x
    x = 1,489,533,785,741,586,944/1,293,907,808.30
  6. Step 6: Final answer
    x = 1,151,190,043.21

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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.