Home / 456,729,028.38-630,286,681.68-247,885,174.02

Finding the Fourth Proportional to 456,729,028.38, 630,286,681.68 and 247,885,174.02

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Solution

The fourth proportional to 456,729,028.38, 630,286,681.68 and 247,885,174.02 is: 342,081,878.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,729,028.38 : 630,286,681.68 = 247,885,174.02 : x
  2. Step 2: Convert to fraction form
    456,729,028.38/630,286,681.68 = 247,885,174.02/x
  3. Step 3: Cross multiply
    456,729,028.38x = 630,286,681.68 × 247,885,174.02
  4. Step 4: Simplify right side
    456,729,028.38x = 156,238,723,770,735,136
  5. Step 5: Solve for x
    x = 156,238,723,770,735,136/456,729,028.38
  6. Step 6: Final answer
    x = 342,081,878.01

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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.