Home / 1,091,136,418.30-1,636,704,627.45-746,762,650.30

Finding the Fourth Proportional to 1,091,136,418.30, 1,636,704,627.45 and 746,762,650.30

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Solution

The fourth proportional to 1,091,136,418.30, 1,636,704,627.45 and 746,762,650.30 is: 1,120,143,975.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,136,418.30 : 1,636,704,627.45 = 746,762,650.30 : x
  2. Step 2: Convert to fraction form
    1,091,136,418.30/1,636,704,627.45 = 746,762,650.30/x
  3. Step 3: Cross multiply
    1,091,136,418.30x = 1,636,704,627.45 × 746,762,650.30
  4. Step 4: Simplify right side
    1,091,136,418.30x = 1,222,229,885,352,836,096
  5. Step 5: Solve for x
    x = 1,222,229,885,352,836,096/1,091,136,418.30
  6. Step 6: Final answer
    x = 1,120,143,975.45

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Half scale
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Double scale
Find fourth proportional to 1,091,136,419.30, 1,636,704,628.95 and 746,762,651.30
Similar ratio
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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.