Home / 1,358,136,007.70-2,037,204,011.55-738,263,225.30

Finding the Fourth Proportional to 1,358,136,007.70, 2,037,204,011.55 and 738,263,225.30

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Solution

The fourth proportional to 1,358,136,007.70, 2,037,204,011.55 and 738,263,225.30 is: 1,107,394,837.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,358,136,007.70 : 2,037,204,011.55 = 738,263,225.30 : x
  2. Step 2: Convert to fraction form
    1,358,136,007.70/2,037,204,011.55 = 738,263,225.30/x
  3. Step 3: Cross multiply
    1,358,136,007.70x = 2,037,204,011.55 × 738,263,225.30
  4. Step 4: Simplify right side
    1,358,136,007.70x = 1,503,992,804,161,001,216
  5. Step 5: Solve for x
    x = 1,503,992,804,161,001,216/1,358,136,007.70
  6. Step 6: Final answer
    x = 1,107,394,837.95

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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.