Home / 4,938,777,571.82-7,409,621,628.63-1,989,539,545.82

Finding the Fourth Proportional to 4,938,777,571.82, 7,409,621,628.63 and 1,989,539,545.82

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Solution

The fourth proportional to 4,938,777,571.82, 7,409,621,628.63 and 1,989,539,545.82 is: 2,984,895,560.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,938,777,571.82 : 7,409,621,628.63 = 1,989,539,545.82 : x
  2. Step 2: Convert to fraction form
    4,938,777,571.82/7,409,621,628.63 = 1,989,539,545.82/x
  3. Step 3: Cross multiply
    4,938,777,571.82x = 7,409,621,628.63 × 1,989,539,545.82
  4. Step 4: Simplify right side
    4,938,777,571.82x = 14,741,735,249,685,530,624
  5. Step 5: Solve for x
    x = 14,741,735,249,685,530,624/4,938,777,571.82
  6. Step 6: Final answer
    x = 2,984,895,560.76

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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.