Home / 1,901,256,895.92-2,849,872,537.52-639,519,879.20

Finding the Fourth Proportional to 1,901,256,895.92, 2,849,872,537.52 and 639,519,879.20

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Solution

The fourth proportional to 1,901,256,895.92, 2,849,872,537.52 and 639,519,879.20 is: 958,602,777.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,901,256,895.92 : 2,849,872,537.52 = 639,519,879.20 : x
  2. Step 2: Convert to fraction form
    1,901,256,895.92/2,849,872,537.52 = 639,519,879.20/x
  3. Step 3: Cross multiply
    1,901,256,895.92x = 2,849,872,537.52 × 639,519,879.20
  4. Step 4: Simplify right side
    1,901,256,895.92x = 1,822,550,140,930,188,032
  5. Step 5: Solve for x
    x = 1,822,550,140,930,188,032/1,901,256,895.92
  6. Step 6: Final answer
    x = 958,602,777.37

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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.