Home / 1,358,136,200.70-2,037,204,301.05-738,263,418.30

Finding the Fourth Proportional to 1,358,136,200.70, 2,037,204,301.05 and 738,263,418.30

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Solution

The fourth proportional to 1,358,136,200.70, 2,037,204,301.05 and 738,263,418.30 is: 1,107,395,127.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,358,136,200.70 : 2,037,204,301.05 = 738,263,418.30 : x
  2. Step 2: Convert to fraction form
    1,358,136,200.70/2,037,204,301.05 = 738,263,418.30/x
  3. Step 3: Cross multiply
    1,358,136,200.70x = 2,037,204,301.05 × 738,263,418.30
  4. Step 4: Simplify right side
    1,358,136,200.70x = 1,503,993,411,068,635,136
  5. Step 5: Solve for x
    x = 1,503,993,411,068,635,136/1,358,136,200.70
  6. Step 6: Final answer
    x = 1,107,395,127.45

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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.