Home / 543,283,359.60-814,925,039.40-391,362,092.40

Finding the Fourth Proportional to 543,283,359.60, 814,925,039.40 and 391,362,092.40

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Solution

The fourth proportional to 543,283,359.60, 814,925,039.40 and 391,362,092.40 is: 587,043,138.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,283,359.60 : 814,925,039.40 = 391,362,092.40 : x
  2. Step 2: Convert to fraction form
    543,283,359.60/814,925,039.40 = 391,362,092.40/x
  3. Step 3: Cross multiply
    543,283,359.60x = 814,925,039.40 × 391,362,092.40
  4. Step 4: Simplify right side
    543,283,359.60x = 318,930,768,568,736,384
  5. Step 5: Solve for x
    x = 318,930,768,568,736,384/543,283,359.60
  6. Step 6: Final answer
    x = 587,043,138.60

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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.