Home / 1,293,907,812.30-1,938,886,757.01-768,241,772.10

Finding the Fourth Proportional to 1,293,907,812.30, 1,938,886,757.01 and 768,241,772.10

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Solution

The fourth proportional to 1,293,907,812.30, 1,938,886,757.01 and 768,241,772.10 is: 1,151,190,049.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,907,812.30 : 1,938,886,757.01 = 768,241,772.10 : x
  2. Step 2: Convert to fraction form
    1,293,907,812.30/1,938,886,757.01 = 768,241,772.10/x
  3. Step 3: Cross multiply
    1,293,907,812.30x = 1,938,886,757.01 × 768,241,772.10
  4. Step 4: Simplify right side
    1,293,907,812.30x = 1,489,533,798,106,584,576
  5. Step 5: Solve for x
    x = 1,489,533,798,106,584,576/1,293,907,812.30
  6. Step 6: Final answer
    x = 1,151,190,049.20

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Double scale
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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.