Home / 1,369,967,774.40-1,890,555,541.20-743,436,201.36

Finding the Fourth Proportional to 1,369,967,774.40, 1,890,555,541.20 and 743,436,201.36

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Solution

The fourth proportional to 1,369,967,774.40, 1,890,555,541.20 and 743,436,201.36 is: 1,025,941,964.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,369,967,774.40 : 1,890,555,541.20 = 743,436,201.36 : x
  2. Step 2: Convert to fraction form
    1,369,967,774.40/1,890,555,541.20 = 743,436,201.36/x
  3. Step 3: Cross multiply
    1,369,967,774.40x = 1,890,555,541.20 × 743,436,201.36
  4. Step 4: Simplify right side
    1,369,967,774.40x = 1,405,507,430,009,827,072
  5. Step 5: Solve for x
    x = 1,405,507,430,009,827,072/1,369,967,774.40
  6. Step 6: Final answer
    x = 1,025,941,964.68

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