Home / 290,611,952.88-436,122,205.64-262,826,642.76

Finding the Fourth Proportional to 290,611,952.88, 436,122,205.64 and 262,826,642.76

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Solution

The fourth proportional to 290,611,952.88, 436,122,205.64 and 262,826,642.76 is: 394,424,709.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,611,952.88 : 436,122,205.64 = 262,826,642.76 : x
  2. Step 2: Convert to fraction form
    290,611,952.88/436,122,205.64 = 262,826,642.76/x
  3. Step 3: Cross multiply
    290,611,952.88x = 436,122,205.64 × 262,826,642.76
  4. Step 4: Simplify right side
    290,611,952.88x = 114,624,535,141,447,536
  5. Step 5: Solve for x
    x = 114,624,535,141,447,536/290,611,952.88
  6. Step 6: Final answer
    x = 394,424,709.67

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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.