Home / 1,978,769,969.10-2,967,399,126.45-598,125,617.10

Finding the Fourth Proportional to 1,978,769,969.10, 2,967,399,126.45 and 598,125,617.10

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Solution

The fourth proportional to 1,978,769,969.10, 2,967,399,126.45 and 598,125,617.10 is: 896,959,960.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,978,769,969.10 : 2,967,399,126.45 = 598,125,617.10 : x
  2. Step 2: Convert to fraction form
    1,978,769,969.10/2,967,399,126.45 = 598,125,617.10/x
  3. Step 3: Cross multiply
    1,978,769,969.10x = 2,967,399,126.45 × 598,125,617.10
  4. Step 4: Simplify right side
    1,978,769,969.10x = 1,774,877,433,689,907,200
  5. Step 5: Solve for x
    x = 1,774,877,433,689,907,200/1,978,769,969.10
  6. Step 6: Final answer
    x = 896,959,960.69

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.