Home / 1,628,033,820.80-2,438,467,550.40-980,672,489.60

Finding the Fourth Proportional to 1,628,033,820.80, 2,438,467,550.40 and 980,672,489.60

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Solution

The fourth proportional to 1,628,033,820.80, 2,438,467,550.40 and 980,672,489.60 is: 1,468,850,347.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,628,033,820.80 : 2,438,467,550.40 = 980,672,489.60 : x
  2. Step 2: Convert to fraction form
    1,628,033,820.80/2,438,467,550.40 = 980,672,489.60/x
  3. Step 3: Cross multiply
    1,628,033,820.80x = 2,438,467,550.40 × 980,672,489.60
  4. Step 4: Simplify right side
    1,628,033,820.80x = 2,391,338,043,459,581,440
  5. Step 5: Solve for x
    x = 2,391,338,043,459,581,440/1,628,033,820.80
  6. Step 6: Final answer
    x = 1,468,850,347.52

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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.