Home / 322,570,463.40-483,855,695.10-289,314,066.60

Finding the Fourth Proportional to 322,570,463.40, 483,855,695.10 and 289,314,066.60

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Solution

The fourth proportional to 322,570,463.40, 483,855,695.10 and 289,314,066.60 is: 433,971,099.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,570,463.40 : 483,855,695.10 = 289,314,066.60 : x
  2. Step 2: Convert to fraction form
    322,570,463.40/483,855,695.10 = 289,314,066.60/x
  3. Step 3: Cross multiply
    322,570,463.40x = 483,855,695.10 × 289,314,066.60
  4. Step 4: Simplify right side
    322,570,463.40x = 139,986,258,796,950,720
  5. Step 5: Solve for x
    x = 139,986,258,796,950,720/322,570,463.40
  6. Step 6: Final answer
    x = 433,971,099.90

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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.