Home / 510,275,074.95-764,790,782.58-264,496,209.57

Finding the Fourth Proportional to 510,275,074.95, 764,790,782.58 and 264,496,209.57

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Solution

The fourth proportional to 510,275,074.95, 764,790,782.58 and 264,496,209.57 is: 396,421,994.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,275,074.95 : 764,790,782.58 = 264,496,209.57 : x
  2. Step 2: Convert to fraction form
    510,275,074.95/764,790,782.58 = 264,496,209.57/x
  3. Step 3: Cross multiply
    510,275,074.95x = 764,790,782.58 × 264,496,209.57
  4. Step 4: Simplify right side
    510,275,074.95x = 202,284,263,106,484,000
  5. Step 5: Solve for x
    x = 202,284,263,106,484,000/510,275,074.95
  6. Step 6: Final answer
    x = 396,421,994.80

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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.