Home / 1,266,915,037.55-1,899,042,273.59-426,265,950.16

Finding the Fourth Proportional to 1,266,915,037.55, 1,899,042,273.59 and 426,265,950.16

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Solution

The fourth proportional to 1,266,915,037.55, 1,899,042,273.59 and 426,265,950.16 is: 638,951,338.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,915,037.55 : 1,899,042,273.59 = 426,265,950.16 : x
  2. Step 2: Convert to fraction form
    1,266,915,037.55/1,899,042,273.59 = 426,265,950.16/x
  3. Step 3: Cross multiply
    1,266,915,037.55x = 1,899,042,273.59 × 426,265,950.16
  4. Step 4: Simplify right side
    1,266,915,037.55x = 809,497,059,136,352,768
  5. Step 5: Solve for x
    x = 809,497,059,136,352,768/1,266,915,037.55
  6. Step 6: Final answer
    x = 638,951,338.60

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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.