Home / 456,729,145.70-630,286,844.74-247,885,291.22

Finding the Fourth Proportional to 456,729,145.70, 630,286,844.74 and 247,885,291.22

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Solution

The fourth proportional to 456,729,145.70, 630,286,844.74 and 247,885,291.22 is: 342,082,040.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,729,145.70 : 630,286,844.74 = 247,885,291.22 : x
  2. Step 2: Convert to fraction form
    456,729,145.70/630,286,844.74 = 247,885,291.22/x
  3. Step 3: Cross multiply
    456,729,145.70x = 630,286,844.74 × 247,885,291.22
  4. Step 4: Simplify right side
    456,729,145.70x = 156,238,838,056,738,656
  5. Step 5: Solve for x
    x = 156,238,838,056,738,656/456,729,145.70
  6. Step 6: Final answer
    x = 342,082,040.37

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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.