Home / 1,180,295,997.80-1,768,932,342.30-906,308,637.80

Finding the Fourth Proportional to 1,180,295,997.80, 1,768,932,342.30 and 906,308,637.80

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Solution

The fourth proportional to 1,180,295,997.80, 1,768,932,342.30 and 906,308,637.80 is: 1,358,302,209.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180,295,997.80 : 1,768,932,342.30 = 906,308,637.80 : x
  2. Step 2: Convert to fraction form
    1,180,295,997.80/1,768,932,342.30 = 906,308,637.80/x
  3. Step 3: Cross multiply
    1,180,295,997.80x = 1,768,932,342.30 × 906,308,637.80
  4. Step 4: Simplify right side
    1,180,295,997.80x = 1,603,198,661,510,276,096
  5. Step 5: Solve for x
    x = 1,603,198,661,510,276,096/1,180,295,997.80
  6. Step 6: Final answer
    x = 1,358,302,209.36

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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.