Home / 807,519,670.57-1,211,289,150.53-225,218,487.48

Finding the Fourth Proportional to 807,519,670.57, 1,211,289,150.53 and 225,218,487.48

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Solution

The fourth proportional to 807,519,670.57, 1,211,289,150.53 and 225,218,487.48 is: 337,830,421.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,519,670.57 : 1,211,289,150.53 = 225,218,487.48 : x
  2. Step 2: Convert to fraction form
    807,519,670.57/1,211,289,150.53 = 225,218,487.48/x
  3. Step 3: Cross multiply
    807,519,670.57x = 1,211,289,150.53 × 225,218,487.48
  4. Step 4: Simplify right side
    807,519,670.57x = 272,804,710,383,300,608
  5. Step 5: Solve for x
    x = 272,804,710,383,300,608/807,519,670.57
  6. Step 6: Final answer
    x = 337,830,421.13

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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.