Home / 1,317,247,937.70-1,975,871,906.55-347,899,553.70

Finding the Fourth Proportional to 1,317,247,937.70, 1,975,871,906.55 and 347,899,553.70

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Solution

The fourth proportional to 1,317,247,937.70, 1,975,871,906.55 and 347,899,553.70 is: 521,849,330.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,247,937.70 : 1,975,871,906.55 = 347,899,553.70 : x
  2. Step 2: Convert to fraction form
    1,317,247,937.70/1,975,871,906.55 = 347,899,553.70/x
  3. Step 3: Cross multiply
    1,317,247,937.70x = 1,975,871,906.55 × 347,899,553.70
  4. Step 4: Simplify right side
    1,317,247,937.70x = 687,404,954,457,113,088
  5. Step 5: Solve for x
    x = 687,404,954,457,113,088/1,317,247,937.70
  6. Step 6: Final answer
    x = 521,849,330.55

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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.