Home / 1,327,708,933.20-1,991,563,399.80-682,736,389.20

Finding the Fourth Proportional to 1,327,708,933.20, 1,991,563,399.80 and 682,736,389.20

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Solution

The fourth proportional to 1,327,708,933.20, 1,991,563,399.80 and 682,736,389.20 is: 1,024,104,583.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,327,708,933.20 : 1,991,563,399.80 = 682,736,389.20 : x
  2. Step 2: Convert to fraction form
    1,327,708,933.20/1,991,563,399.80 = 682,736,389.20/x
  3. Step 3: Cross multiply
    1,327,708,933.20x = 1,991,563,399.80 × 682,736,389.20
  4. Step 4: Simplify right side
    1,327,708,933.20x = 1,359,712,804,442,328,064
  5. Step 5: Solve for x
    x = 1,359,712,804,442,328,064/1,327,708,933.20
  6. Step 6: Final answer
    x = 1,024,104,583.80

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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.