Home / 1,116,724,481.80-1,675,086,722.70-298,836,782.80

Finding the Fourth Proportional to 1,116,724,481.80, 1,675,086,722.70 and 298,836,782.80

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Solution

The fourth proportional to 1,116,724,481.80, 1,675,086,722.70 and 298,836,782.80 is: 448,255,174.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116,724,481.80 : 1,675,086,722.70 = 298,836,782.80 : x
  2. Step 2: Convert to fraction form
    1,116,724,481.80/1,675,086,722.70 = 298,836,782.80/x
  3. Step 3: Cross multiply
    1,116,724,481.80x = 1,675,086,722.70 × 298,836,782.80
  4. Step 4: Simplify right side
    1,116,724,481.80x = 500,577,527,122,663,744
  5. Step 5: Solve for x
    x = 500,577,527,122,663,744/1,116,724,481.80
  6. Step 6: Final answer
    x = 448,255,174.20

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Double scale
Find fourth proportional to 1,116,724,482.80, 1,675,086,724.20 and 298,836,783.80
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.