Home / 818,363,741.84-1,228,321,687.32-506,528,085.69

Finding the Fourth Proportional to 818,363,741.84, 1,228,321,687.32 and 506,528,085.69

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Solution

The fourth proportional to 818,363,741.84, 1,228,321,687.32 and 506,528,085.69 is: 760,272,481.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,363,741.84 : 1,228,321,687.32 = 506,528,085.69 : x
  2. Step 2: Convert to fraction form
    818,363,741.84/1,228,321,687.32 = 506,528,085.69/x
  3. Step 3: Cross multiply
    818,363,741.84x = 1,228,321,687.32 × 506,528,085.69
  4. Step 4: Simplify right side
    818,363,741.84x = 622,179,432,887,177,728
  5. Step 5: Solve for x
    x = 622,179,432,887,177,728/818,363,741.84
  6. Step 6: Final answer
    x = 760,272,481.63

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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.