Home / 1,188,348,820.59-1,782,728,690.64-401,408,204.25

Finding the Fourth Proportional to 1,188,348,820.59, 1,782,728,690.64 and 401,408,204.25

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Solution

The fourth proportional to 1,188,348,820.59, 1,782,728,690.64 and 401,408,204.25 is: 602,181,707.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,348,820.59 : 1,782,728,690.64 = 401,408,204.25 : x
  2. Step 2: Convert to fraction form
    1,188,348,820.59/1,782,728,690.64 = 401,408,204.25/x
  3. Step 3: Cross multiply
    1,188,348,820.59x = 1,782,728,690.64 × 401,408,204.25
  4. Step 4: Simplify right side
    1,188,348,820.59x = 715,601,922,374,756,224
  5. Step 5: Solve for x
    x = 715,601,922,374,756,224/1,188,348,820.59
  6. Step 6: Final answer
    x = 602,181,707.91

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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.