Home / 383,471,029.20-575,206,543.80-319,698,109.20

Finding the Fourth Proportional to 383,471,029.20, 575,206,543.80 and 319,698,109.20

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Solution

The fourth proportional to 383,471,029.20, 575,206,543.80 and 319,698,109.20 is: 479,547,163.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,471,029.20 : 575,206,543.80 = 319,698,109.20 : x
  2. Step 2: Convert to fraction form
    383,471,029.20/575,206,543.80 = 319,698,109.20/x
  3. Step 3: Cross multiply
    383,471,029.20x = 575,206,543.80 × 319,698,109.20
  4. Step 4: Simplify right side
    383,471,029.20x = 183,892,444,452,326,976
  5. Step 5: Solve for x
    x = 183,892,444,452,326,976/383,471,029.20
  6. Step 6: Final answer
    x = 479,547,163.80

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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.