Home / 30,775,172,003.70-46,162,758,005.55-20,979,651,491.70

Finding the Fourth Proportional to 30,775,172,003.70, 46,162,758,005.55 and 20,979,651,491.70

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Solution

The fourth proportional to 30,775,172,003.70, 46,162,758,005.55 and 20,979,651,491.70 is: 31,469,477,237.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,775,172,003.70 : 46,162,758,005.55 = 20,979,651,491.70 : x
  2. Step 2: Convert to fraction form
    30,775,172,003.70/46,162,758,005.55 = 20,979,651,491.70/x
  3. Step 3: Cross multiply
    30,775,172,003.70x = 46,162,758,005.55 × 20,979,651,491.70
  4. Step 4: Simplify right side
    30,775,172,003.70x = 968,478,574,852,123,262,976
  5. Step 5: Solve for x
    x = 968,478,574,852,123,262,976/30,775,172,003.70
  6. Step 6: Final answer
    x = 31,469,477,237.55

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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.