Home / 764,507,559.48-1,054,422,745.86-496,669,688.85

Finding the Fourth Proportional to 764,507,559.48, 1,054,422,745.86 and 496,669,688.85

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Solution

The fourth proportional to 764,507,559.48, 1,054,422,745.86 and 496,669,688.85 is: 685,015,878.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,507,559.48 : 1,054,422,745.86 = 496,669,688.85 : x
  2. Step 2: Convert to fraction form
    764,507,559.48/1,054,422,745.86 = 496,669,688.85/x
  3. Step 3: Cross multiply
    764,507,559.48x = 1,054,422,745.86 × 496,669,688.85
  4. Step 4: Simplify right side
    764,507,559.48x = 523,699,817,102,648,832
  5. Step 5: Solve for x
    x = 523,699,817,102,648,832/764,507,559.48
  6. Step 6: Final answer
    x = 685,015,878.01

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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.