Home / 1,091,136,418.80-1,636,704,628.20-746,762,650.80

Finding the Fourth Proportional to 1,091,136,418.80, 1,636,704,628.20 and 746,762,650.80

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Solution

The fourth proportional to 1,091,136,418.80, 1,636,704,628.20 and 746,762,650.80 is: 1,120,143,976.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,136,418.80 : 1,636,704,628.20 = 746,762,650.80 : x
  2. Step 2: Convert to fraction form
    1,091,136,418.80/1,636,704,628.20 = 746,762,650.80/x
  3. Step 3: Cross multiply
    1,091,136,418.80x = 1,636,704,628.20 × 746,762,650.80
  4. Step 4: Simplify right side
    1,091,136,418.80x = 1,222,229,886,731,260,416
  5. Step 5: Solve for x
    x = 1,222,229,886,731,260,416/1,091,136,418.80
  6. Step 6: Final answer
    x = 1,120,143,976.20

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Double scale
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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.