Home / 1,290,284,515.33-1,935,437,973.84-416,885,977.04

Finding the Fourth Proportional to 1,290,284,515.33, 1,935,437,973.84 and 416,885,977.04

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Solution

The fourth proportional to 1,290,284,515.33, 1,935,437,973.84 and 416,885,977.04 is: 625,332,584.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,290,284,515.33 : 1,935,437,973.84 = 416,885,977.04 : x
  2. Step 2: Convert to fraction form
    1,290,284,515.33/1,935,437,973.84 = 416,885,977.04/x
  3. Step 3: Cross multiply
    1,290,284,515.33x = 1,935,437,973.84 × 416,885,977.04
  4. Step 4: Simplify right side
    1,290,284,515.33x = 806,856,950,724,606,336
  5. Step 5: Solve for x
    x = 806,856,950,724,606,336/1,290,284,515.33
  6. Step 6: Final answer
    x = 625,332,584.51

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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.