Home / 3,968,550,105.12-5,476,555,682.28-2,184,365,412

Finding the Fourth Proportional to 3,968,550,105.12, 5,476,555,682.28 and 2,184,365,412

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Solution

The fourth proportional to 3,968,550,105.12, 5,476,555,682.28 and 2,184,365,412 is: 3,014,400,345.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,968,550,105.12 : 5,476,555,682.28 = 2,184,365,412 : x
  2. Step 2: Convert to fraction form
    3,968,550,105.12/5,476,555,682.28 = 2,184,365,412/x
  3. Step 3: Cross multiply
    3,968,550,105.12x = 5,476,555,682.28 × 2,184,365,412
  4. Step 4: Simplify right side
    3,968,550,105.12x = 11,962,798,809,264,492,544
  5. Step 5: Solve for x
    x = 11,962,798,809,264,492,544/3,968,550,105.12
  6. Step 6: Final answer
    x = 3,014,400,345.82

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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.