Home / 874,073,165.40-1,311,109,748.10-868,971,331.80

Finding the Fourth Proportional to 874,073,165.40, 1,311,109,748.10 and 868,971,331.80

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Solution

The fourth proportional to 874,073,165.40, 1,311,109,748.10 and 868,971,331.80 is: 1,303,456,997.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,073,165.40 : 1,311,109,748.10 = 868,971,331.80 : x
  2. Step 2: Convert to fraction form
    874,073,165.40/1,311,109,748.10 = 868,971,331.80/x
  3. Step 3: Cross multiply
    874,073,165.40x = 1,311,109,748.10 × 868,971,331.80
  4. Step 4: Simplify right side
    874,073,165.40x = 1,139,316,783,942,419,328
  5. Step 5: Solve for x
    x = 1,139,316,783,942,419,328/874,073,165.40
  6. Step 6: Final answer
    x = 1,303,456,997.70

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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.