Home / 1,185,629,615.40-1,777,168,964.70-448,414,660.20

Finding the Fourth Proportional to 1,185,629,615.40, 1,777,168,964.70 and 448,414,660.20

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Solution

The fourth proportional to 1,185,629,615.40, 1,777,168,964.70 and 448,414,660.20 is: 672,139,601.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,629,615.40 : 1,777,168,964.70 = 448,414,660.20 : x
  2. Step 2: Convert to fraction form
    1,185,629,615.40/1,777,168,964.70 = 448,414,660.20/x
  3. Step 3: Cross multiply
    1,185,629,615.40x = 1,777,168,964.70 × 448,414,660.20
  4. Step 4: Simplify right side
    1,185,629,615.40x = 796,908,617,423,936,256
  5. Step 5: Solve for x
    x = 796,908,617,423,936,256/1,185,629,615.40
  6. Step 6: Final answer
    x = 672,139,601.67

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Double scale
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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.