Home / 345,860,993.18-477,241,032.52-206,602,193.54

Finding the Fourth Proportional to 345,860,993.18, 477,241,032.52 and 206,602,193.54

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Solution

The fourth proportional to 345,860,993.18, 477,241,032.52 and 206,602,193.54 is: 285,082,868.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,860,993.18 : 477,241,032.52 = 206,602,193.54 : x
  2. Step 2: Convert to fraction form
    345,860,993.18/477,241,032.52 = 206,602,193.54/x
  3. Step 3: Cross multiply
    345,860,993.18x = 477,241,032.52 × 206,602,193.54
  4. Step 4: Simplify right side
    345,860,993.18x = 98,599,044,165,926,464
  5. Step 5: Solve for x
    x = 98,599,044,165,926,464/345,860,993.18
  6. Step 6: Final answer
    x = 285,082,868.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.