Home / 12,356,819,901.70-18,535,229,852.55-5,724,436,221.70

Finding the Fourth Proportional to 12,356,819,901.70, 18,535,229,852.55 and 5,724,436,221.70

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Solution

The fourth proportional to 12,356,819,901.70, 18,535,229,852.55 and 5,724,436,221.70 is: 8,586,654,332.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,356,819,901.70 : 18,535,229,852.55 = 5,724,436,221.70 : x
  2. Step 2: Convert to fraction form
    12,356,819,901.70/18,535,229,852.55 = 5,724,436,221.70/x
  3. Step 3: Cross multiply
    12,356,819,901.70x = 18,535,229,852.55 × 5,724,436,221.70
  4. Step 4: Simplify right side
    12,356,819,901.70x = 106,103,741,145,472,368,640
  5. Step 5: Solve for x
    x = 106,103,741,145,472,368,640/12,356,819,901.70
  6. Step 6: Final answer
    x = 8,586,654,332.55

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Double scale
Find fourth proportional to 12,356,819,902.70, 18,535,229,854.05 and 5,724,436,222.70
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.