Home / 1,997,243,636.08-2,756,403,678.36-1,150,500,221.68

Finding the Fourth Proportional to 1,997,243,636.08, 2,756,403,678.36 and 1,150,500,221.68

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Solution

The fourth proportional to 1,997,243,636.08, 2,756,403,678.36 and 1,150,500,221.68 is: 1,587,809,812.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,997,243,636.08 : 2,756,403,678.36 = 1,150,500,221.68 : x
  2. Step 2: Convert to fraction form
    1,997,243,636.08/2,756,403,678.36 = 1,150,500,221.68/x
  3. Step 3: Cross multiply
    1,997,243,636.08x = 2,756,403,678.36 × 1,150,500,221.68
  4. Step 4: Simplify right side
    1,997,243,636.08x = 3,171,243,042,992,747,520
  5. Step 5: Solve for x
    x = 3,171,243,042,992,747,520/1,997,243,636.08
  6. Step 6: Final answer
    x = 1,587,809,812.34

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.