Home / 1,201,103,675.60-1,801,655,513.40-739,545,198.80

Finding the Fourth Proportional to 1,201,103,675.60, 1,801,655,513.40 and 739,545,198.80

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Solution

The fourth proportional to 1,201,103,675.60, 1,801,655,513.40 and 739,545,198.80 is: 1,109,317,798.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,201,103,675.60 : 1,801,655,513.40 = 739,545,198.80 : x
  2. Step 2: Convert to fraction form
    1,201,103,675.60/1,801,655,513.40 = 739,545,198.80/x
  3. Step 3: Cross multiply
    1,201,103,675.60x = 1,801,655,513.40 × 739,545,198.80
  4. Step 4: Simplify right side
    1,201,103,675.60x = 1,332,405,684,826,519,040
  5. Step 5: Solve for x
    x = 1,332,405,684,826,519,040/1,201,103,675.60
  6. Step 6: Final answer
    x = 1,109,317,798.20

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1.5x scale

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.