Home / 1,081,789,991,669.20-1,622,737,175,931.10-355,705,247,065.21

Finding the Fourth Proportional to 1,081,789,991,669.20, 1,622,737,175,931.10 and 355,705,247,065.21

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Solution

The fourth proportional to 1,081,789,991,669.20, 1,622,737,175,931.10 and 355,705,247,065.21 is: 533,575,030,765.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,081,789,991,669.20 : 1,622,737,175,931.10 = 355,705,247,065.21 : x
  2. Step 2: Convert to fraction form
    1,081,789,991,669.20/1,622,737,175,931.10 = 355,705,247,065.21/x
  3. Step 3: Cross multiply
    1,081,789,991,669.20x = 1,622,737,175,931.10 × 355,705,247,065.21
  4. Step 4: Simplify right side
    1,081,789,991,669.20x = 577,216,128,086,473,156,067,328
  5. Step 5: Solve for x
    x = 577,216,128,086,473,156,067,328/1,081,789,991,669.20
  6. Step 6: Final answer
    x = 533,575,030,765.29

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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.