Home / 1,028,019,873.80-1,542,911,609.10-415,044,014.60

Finding the Fourth Proportional to 1,028,019,873.80, 1,542,911,609.10 and 415,044,014.60

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Solution

The fourth proportional to 1,028,019,873.80, 1,542,911,609.10 and 415,044,014.60 is: 622,922,031.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,019,873.80 : 1,542,911,609.10 = 415,044,014.60 : x
  2. Step 2: Convert to fraction form
    1,028,019,873.80/1,542,911,609.10 = 415,044,014.60/x
  3. Step 3: Cross multiply
    1,028,019,873.80x = 1,542,911,609.10 × 415,044,014.60
  4. Step 4: Simplify right side
    1,028,019,873.80x = 640,376,228,413,809,920
  5. Step 5: Solve for x
    x = 640,376,228,413,809,920/1,028,019,873.80
  6. Step 6: Final answer
    x = 622,922,031.70

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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.