Home / 543,658,662.54-815,154,242.63-211,277,570.54

Finding the Fourth Proportional to 543,658,662.54, 815,154,242.63 and 211,277,570.54

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Solution

The fourth proportional to 543,658,662.54, 815,154,242.63 and 211,277,570.54 is: 316,786,652.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,658,662.54 : 815,154,242.63 = 211,277,570.54 : x
  2. Step 2: Convert to fraction form
    543,658,662.54/815,154,242.63 = 211,277,570.54/x
  3. Step 3: Cross multiply
    543,658,662.54x = 815,154,242.63 × 211,277,570.54
  4. Step 4: Simplify right side
    543,658,662.54x = 172,223,807,993,107,936
  5. Step 5: Solve for x
    x = 172,223,807,993,107,936/543,658,662.54
  6. Step 6: Final answer
    x = 316,786,652.84

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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.