Home / 1,082,452,856,820.60-1,493,913,002,890.70-642,991,977,315.80

Finding the Fourth Proportional to 1,082,452,856,820.60, 1,493,913,002,890.70 and 642,991,977,315.80

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Solution

The fourth proportional to 1,082,452,856,820.60, 1,493,913,002,890.70 and 642,991,977,315.80 is: 887,404,998,392.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,082,452,856,820.60 : 1,493,913,002,890.70 = 642,991,977,315.80 : x
  2. Step 2: Convert to fraction form
    1,082,452,856,820.60/1,493,913,002,890.70 = 642,991,977,315.80/x
  3. Step 3: Cross multiply
    1,082,452,856,820.60x = 1,493,913,002,890.70 × 642,991,977,315.80
  4. Step 4: Simplify right side
    1,082,452,856,820.60x = 960,574,075,666,475,704,647,680
  5. Step 5: Solve for x
    x = 960,574,075,666,475,704,647,680/1,082,452,856,820.60
  6. Step 6: Final answer
    x = 887,404,998,392.16

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Why These Related Problems?

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