Home / 698,031,074.18-963,282,647.41-384,770,519.53

Finding the Fourth Proportional to 698,031,074.18, 963,282,647.41 and 384,770,519.53

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Solution

The fourth proportional to 698,031,074.18, 963,282,647.41 and 384,770,519.53 is: 530,983,187.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,031,074.18 : 963,282,647.41 = 384,770,519.53 : x
  2. Step 2: Convert to fraction form
    698,031,074.18/963,282,647.41 = 384,770,519.53/x
  3. Step 3: Cross multiply
    698,031,074.18x = 963,282,647.41 × 384,770,519.53
  4. Step 4: Simplify right side
    698,031,074.18x = 370,642,764,694,809,344
  5. Step 5: Solve for x
    x = 370,642,764,694,809,344/698,031,074.18
  6. Step 6: Final answer
    x = 530,983,187.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.