Home / 1,320,316,334.40-1,980,474,501.60-1,269,297,998.40

Finding the Fourth Proportional to 1,320,316,334.40, 1,980,474,501.60 and 1,269,297,998.40

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Solution

The fourth proportional to 1,320,316,334.40, 1,980,474,501.60 and 1,269,297,998.40 is: 1,903,946,997.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,320,316,334.40 : 1,980,474,501.60 = 1,269,297,998.40 : x
  2. Step 2: Convert to fraction form
    1,320,316,334.40/1,980,474,501.60 = 1,269,297,998.40/x
  3. Step 3: Cross multiply
    1,320,316,334.40x = 1,980,474,501.60 × 1,269,297,998.40
  4. Step 4: Simplify right side
    1,320,316,334.40x = 2,513,812,320,763,117,568
  5. Step 5: Solve for x
    x = 2,513,812,320,763,117,568/1,320,316,334.40
  6. Step 6: Final answer
    x = 1,903,946,997.60

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Half scale
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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.