Home / 1,320,148,851.06-1,821,819,915.51-725,433,489.30

Finding the Fourth Proportional to 1,320,148,851.06, 1,821,819,915.51 and 725,433,489.30

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Solution

The fourth proportional to 1,320,148,851.06, 1,821,819,915.51 and 725,433,489.30 is: 1,001,106,183.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,320,148,851.06 : 1,821,819,915.51 = 725,433,489.30 : x
  2. Step 2: Convert to fraction form
    1,320,148,851.06/1,821,819,915.51 = 725,433,489.30/x
  3. Step 3: Cross multiply
    1,320,148,851.06x = 1,821,819,915.51 × 725,433,489.30
  4. Step 4: Simplify right side
    1,320,148,851.06x = 1,321,609,178,184,650,496
  5. Step 5: Solve for x
    x = 1,321,609,178,184,650,496/1,320,148,851.06
  6. Step 6: Final answer
    x = 1,001,106,183.69

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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.