Home / 383,453,999.40-575,180,999.10-230,021,077.80

Finding the Fourth Proportional to 383,453,999.40, 575,180,999.10 and 230,021,077.80

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Solution

The fourth proportional to 383,453,999.40, 575,180,999.10 and 230,021,077.80 is: 345,031,616.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,453,999.40 : 575,180,999.10 = 230,021,077.80 : x
  2. Step 2: Convert to fraction form
    383,453,999.40/575,180,999.10 = 230,021,077.80/x
  3. Step 3: Cross multiply
    383,453,999.40x = 575,180,999.10 × 230,021,077.80
  4. Step 4: Simplify right side
    383,453,999.40x = 132,303,753,343,062,848
  5. Step 5: Solve for x
    x = 132,303,753,343,062,848/383,453,999.40
  6. Step 6: Final answer
    x = 345,031,616.70

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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.