Home / 655,784,090.81-983,070,794.06-327,974,349.77

Finding the Fourth Proportional to 655,784,090.81, 983,070,794.06 and 327,974,349.77

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Solution

The fourth proportional to 655,784,090.81, 983,070,794.06 and 327,974,349.77 is: 491,658,777.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,784,090.81 : 983,070,794.06 = 327,974,349.77 : x
  2. Step 2: Convert to fraction form
    655,784,090.81/983,070,794.06 = 327,974,349.77/x
  3. Step 3: Cross multiply
    655,784,090.81x = 983,070,794.06 × 327,974,349.77
  4. Step 4: Simplify right side
    655,784,090.81x = 322,422,004,458,066,176
  5. Step 5: Solve for x
    x = 322,422,004,458,066,176/655,784,090.81
  6. Step 6: Final answer
    x = 491,658,777.60

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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.