Home / 18,912,039,133.30-28,368,112,554.15-5,467,417,518.50

Finding the Fourth Proportional to 18,912,039,133.30, 28,368,112,554.15 and 5,467,417,518.50

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Solution

The fourth proportional to 18,912,039,133.30, 28,368,112,554.15 and 5,467,417,518.50 is: 8,201,141,846.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,912,039,133.30 : 28,368,112,554.15 = 5,467,417,518.50 : x
  2. Step 2: Convert to fraction form
    18,912,039,133.30/28,368,112,554.15 = 5,467,417,518.50/x
  3. Step 3: Cross multiply
    18,912,039,133.30x = 28,368,112,554.15 × 5,467,417,518.50
  4. Step 4: Simplify right side
    18,912,039,133.30x = 155,100,315,545,339,494,400
  5. Step 5: Solve for x
    x = 155,100,315,545,339,494,400/18,912,039,133.30
  6. Step 6: Final answer
    x = 8,201,141,846.85

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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.