Home / 404,735,817.12-607,012,862.32-186,176,251.68

Finding the Fourth Proportional to 404,735,817.12, 607,012,862.32 and 186,176,251.68

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Solution

The fourth proportional to 404,735,817.12, 607,012,862.32 and 186,176,251.68 is: 279,222,580.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,735,817.12 : 607,012,862.32 = 186,176,251.68 : x
  2. Step 2: Convert to fraction form
    404,735,817.12/607,012,862.32 = 186,176,251.68/x
  3. Step 3: Cross multiply
    404,735,817.12x = 607,012,862.32 × 186,176,251.68
  4. Step 4: Simplify right side
    404,735,817.12x = 113,011,379,428,285,520
  5. Step 5: Solve for x
    x = 113,011,379,428,285,520/404,735,817.12
  6. Step 6: Final answer
    x = 279,222,580.87

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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.