Home / 764,496,220.80-1,147,027,766.40-304,764,326.40

Finding the Fourth Proportional to 764,496,220.80, 1,147,027,766.40 and 304,764,326.40

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Solution

The fourth proportional to 764,496,220.80, 1,147,027,766.40 and 304,764,326.40 is: 457,259,480.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,496,220.80 : 1,147,027,766.40 = 304,764,326.40 : x
  2. Step 2: Convert to fraction form
    764,496,220.80/1,147,027,766.40 = 304,764,326.40/x
  3. Step 3: Cross multiply
    764,496,220.80x = 1,147,027,766.40 × 304,764,326.40
  4. Step 4: Simplify right side
    764,496,220.80x = 349,573,144,588,992,576
  5. Step 5: Solve for x
    x = 349,573,144,588,992,576/764,496,220.80
  6. Step 6: Final answer
    x = 457,259,480.27

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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.