Home / 383,458,020.60-575,187,030.90-261,014,014.20

Finding the Fourth Proportional to 383,458,020.60, 575,187,030.90 and 261,014,014.20

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Solution

The fourth proportional to 383,458,020.60, 575,187,030.90 and 261,014,014.20 is: 391,521,021.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,458,020.60 : 575,187,030.90 = 261,014,014.20 : x
  2. Step 2: Convert to fraction form
    383,458,020.60/575,187,030.90 = 261,014,014.20/x
  3. Step 3: Cross multiply
    383,458,020.60x = 575,187,030.90 × 261,014,014.20
  4. Step 4: Simplify right side
    383,458,020.60x = 150,131,875,850,988,416
  5. Step 5: Solve for x
    x = 150,131,875,850,988,416/383,458,020.60
  6. Step 6: Final answer
    x = 391,521,021.30

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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.