Home / 1,180,295,999.80-1,768,932,345.30-906,308,639.80

Finding the Fourth Proportional to 1,180,295,999.80, 1,768,932,345.30 and 906,308,639.80

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Solution

The fourth proportional to 1,180,295,999.80, 1,768,932,345.30 and 906,308,639.80 is: 1,358,302,212.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180,295,999.80 : 1,768,932,345.30 = 906,308,639.80 : x
  2. Step 2: Convert to fraction form
    1,180,295,999.80/1,768,932,345.30 = 906,308,639.80/x
  3. Step 3: Cross multiply
    1,180,295,999.80x = 1,768,932,345.30 × 906,308,639.80
  4. Step 4: Simplify right side
    1,180,295,999.80x = 1,603,198,667,767,066,880
  5. Step 5: Solve for x
    x = 1,603,198,667,767,066,880/1,180,295,999.80
  6. Step 6: Final answer
    x = 1,358,302,212.36

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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.