Home / 383,458,019.40-575,187,029.10-322,236,016.20

Finding the Fourth Proportional to 383,458,019.40, 575,187,029.10 and 322,236,016.20

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Solution

The fourth proportional to 383,458,019.40, 575,187,029.10 and 322,236,016.20 is: 483,354,024.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,458,019.40 : 575,187,029.10 = 322,236,016.20 : x
  2. Step 2: Convert to fraction form
    383,458,019.40/575,187,029.10 = 322,236,016.20/x
  3. Step 3: Cross multiply
    383,458,019.40x = 575,187,029.10 × 322,236,016.20
  4. Step 4: Simplify right side
    383,458,019.40x = 185,345,976,827,097,472
  5. Step 5: Solve for x
    x = 185,345,976,827,097,472/383,458,019.40
  6. Step 6: Final answer
    x = 483,354,024.30

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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.