Home / 2,989,362,091.95-4,125,445,015.28-1,719,204,067.89

Finding the Fourth Proportional to 2,989,362,091.95, 4,125,445,015.28 and 1,719,204,067.89

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Solution

The fourth proportional to 2,989,362,091.95, 4,125,445,015.28 and 1,719,204,067.89 is: 2,372,573,690.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,989,362,091.95 : 4,125,445,015.28 = 1,719,204,067.89 : x
  2. Step 2: Convert to fraction form
    2,989,362,091.95/4,125,445,015.28 = 1,719,204,067.89/x
  3. Step 3: Cross multiply
    2,989,362,091.95x = 4,125,445,015.28 × 1,719,204,067.89
  4. Step 4: Simplify right side
    2,989,362,091.95x = 7,092,481,852,117,303,296
  5. Step 5: Solve for x
    x = 7,092,481,852,117,303,296/2,989,362,091.95
  6. Step 6: Final answer
    x = 2,372,573,690.96

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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.