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Finding the Fourth Proportional to 792,649,272.24, 1,093,791,993.48 and 458,143,464

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Solution

The fourth proportional to 792,649,272.24, 1,093,791,993.48 and 458,143,464 is: 632,200,987.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,649,272.24 : 1,093,791,993.48 = 458,143,464 : x
  2. Step 2: Convert to fraction form
    792,649,272.24/1,093,791,993.48 = 458,143,464/x
  3. Step 3: Cross multiply
    792,649,272.24x = 1,093,791,993.48 × 458,143,464
  4. Step 4: Simplify right side
    792,649,272.24x = 501,113,652,788,392,640
  5. Step 5: Solve for x
    x = 501,113,652,788,392,640/792,649,272.24
  6. Step 6: Final answer
    x = 632,200,987.67

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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.