Home / 458,603,173.04-687,409,926.65-225,162,399.38

Finding the Fourth Proportional to 458,603,173.04, 687,409,926.65 and 225,162,399.38

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Solution

The fourth proportional to 458,603,173.04, 687,409,926.65 and 225,162,399.38 is: 337,500,648.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,603,173.04 : 687,409,926.65 = 225,162,399.38 : x
  2. Step 2: Convert to fraction form
    458,603,173.04/687,409,926.65 = 225,162,399.38/x
  3. Step 3: Cross multiply
    458,603,173.04x = 687,409,926.65 × 225,162,399.38
  4. Step 4: Simplify right side
    458,603,173.04x = 154,778,868,441,017,984
  5. Step 5: Solve for x
    x = 154,778,868,441,017,984/458,603,173.04
  6. Step 6: Final answer
    x = 337,500,648.80

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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.