Home / 3,945,591,716.40-5,443,635,434.40-2,690,349,328.80

Finding the Fourth Proportional to 3,945,591,716.40, 5,443,635,434.40 and 2,690,349,328.80

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Solution

The fourth proportional to 3,945,591,716.40, 5,443,635,434.40 and 2,690,349,328.80 is: 3,711,808,516.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,945,591,716.40 : 5,443,635,434.40 = 2,690,349,328.80 : x
  2. Step 2: Convert to fraction form
    3,945,591,716.40/5,443,635,434.40 = 2,690,349,328.80/x
  3. Step 3: Cross multiply
    3,945,591,716.40x = 5,443,635,434.40 × 2,690,349,328.80
  4. Step 4: Simplify right side
    3,945,591,716.40x = 14,645,280,937,169,936,384
  5. Step 5: Solve for x
    x = 14,645,280,937,169,936,384/3,945,591,716.40
  6. Step 6: Final answer
    x = 3,711,808,516.91

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.