Home / 838,766,568.30-1,258,149,852.45-475,969,512.30

Finding the Fourth Proportional to 838,766,568.30, 1,258,149,852.45 and 475,969,512.30

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Solution

The fourth proportional to 838,766,568.30, 1,258,149,852.45 and 475,969,512.30 is: 713,954,268.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,766,568.30 : 1,258,149,852.45 = 475,969,512.30 : x
  2. Step 2: Convert to fraction form
    838,766,568.30/1,258,149,852.45 = 475,969,512.30/x
  3. Step 3: Cross multiply
    838,766,568.30x = 1,258,149,852.45 × 475,969,512.30
  4. Step 4: Simplify right side
    838,766,568.30x = 598,840,971,670,943,488
  5. Step 5: Solve for x
    x = 598,840,971,670,943,488/838,766,568.30
  6. Step 6: Final answer
    x = 713,954,268.45

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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.