Home / 1,327,823,860.77-1,991,599,301.46-442,413,589.26

Finding the Fourth Proportional to 1,327,823,860.77, 1,991,599,301.46 and 442,413,589.26

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Solution

The fourth proportional to 1,327,823,860.77, 1,991,599,301.46 and 442,413,589.26 is: 663,574,907.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,327,823,860.77 : 1,991,599,301.46 = 442,413,589.26 : x
  2. Step 2: Convert to fraction form
    1,327,823,860.77/1,991,599,301.46 = 442,413,589.26/x
  3. Step 3: Cross multiply
    1,327,823,860.77x = 1,991,599,301.46 × 442,413,589.26
  4. Step 4: Simplify right side
    1,327,823,860.77x = 881,110,595,328,977,024
  5. Step 5: Solve for x
    x = 881,110,595,328,977,024/1,327,823,860.77
  6. Step 6: Final answer
    x = 663,574,907.31

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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.