Home / 1,728,128,136.06-2,384,816,836.67-935,174,123.35

Finding the Fourth Proportional to 1,728,128,136.06, 2,384,816,836.67 and 935,174,123.35

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Solution

The fourth proportional to 1,728,128,136.06, 2,384,816,836.67 and 935,174,123.35 is: 1,290,540,295.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,728,128,136.06 : 2,384,816,836.67 = 935,174,123.35 : x
  2. Step 2: Convert to fraction form
    1,728,128,136.06/2,384,816,836.67 = 935,174,123.35/x
  3. Step 3: Cross multiply
    1,728,128,136.06x = 2,384,816,836.67 × 935,174,123.35
  4. Step 4: Simplify right side
    1,728,128,136.06x = 2,230,218,994,576,009,728
  5. Step 5: Solve for x
    x = 2,230,218,994,576,009,728/1,728,128,136.06
  6. Step 6: Final answer
    x = 1,290,540,295.04

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Double scale
Find fourth proportional to 1,728,128,137.06, 2,384,816,838.05 and 935,174,124.35
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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.