Home / 611,139,043.94-916,738,970.19-174,504,513.38

Finding the Fourth Proportional to 611,139,043.94, 916,738,970.19 and 174,504,513.38

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Solution

The fourth proportional to 611,139,043.94, 916,738,970.19 and 174,504,513.38 is: 261,765,451.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,139,043.94 : 916,738,970.19 = 174,504,513.38 : x
  2. Step 2: Convert to fraction form
    611,139,043.94/916,738,970.19 = 174,504,513.38/x
  3. Step 3: Cross multiply
    611,139,043.94x = 916,738,970.19 × 174,504,513.38
  4. Step 4: Simplify right side
    611,139,043.94x = 159,975,087,889,488,288
  5. Step 5: Solve for x
    x = 159,975,087,889,488,288/611,139,043.94
  6. Step 6: Final answer
    x = 261,765,451.70

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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.