Home / 528,083,456.80-792,125,185.20-480,466,343.20

Finding the Fourth Proportional to 528,083,456.80, 792,125,185.20 and 480,466,343.20

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Solution

The fourth proportional to 528,083,456.80, 792,125,185.20 and 480,466,343.20 is: 720,699,514.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,083,456.80 : 792,125,185.20 = 480,466,343.20 : x
  2. Step 2: Convert to fraction form
    528,083,456.80/792,125,185.20 = 480,466,343.20/x
  3. Step 3: Cross multiply
    528,083,456.80x = 792,125,185.20 × 480,466,343.20
  4. Step 4: Simplify right side
    528,083,456.80x = 380,589,491,089,666,752
  5. Step 5: Solve for x
    x = 380,589,491,089,666,752/528,083,456.80
  6. Step 6: Final answer
    x = 720,699,514.80

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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.