Home / 1,619,328,014.40-2,428,992,021.60-803,034,638.40

Finding the Fourth Proportional to 1,619,328,014.40, 2,428,992,021.60 and 803,034,638.40

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Solution

The fourth proportional to 1,619,328,014.40, 2,428,992,021.60 and 803,034,638.40 is: 1,204,551,957.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,619,328,014.40 : 2,428,992,021.60 = 803,034,638.40 : x
  2. Step 2: Convert to fraction form
    1,619,328,014.40/2,428,992,021.60 = 803,034,638.40/x
  3. Step 3: Cross multiply
    1,619,328,014.40x = 2,428,992,021.60 × 803,034,638.40
  4. Step 4: Simplify right side
    1,619,328,014.40x = 1,950,564,729,742,040,832
  5. Step 5: Solve for x
    x = 1,950,564,729,742,040,832/1,619,328,014.40
  6. Step 6: Final answer
    x = 1,204,551,957.60

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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.