Home / 484,918,515-727,384,075.92-161,802,387

Finding the Fourth Proportional to 484,918,515, 727,384,075.92 and 161,802,387

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Solution

The fourth proportional to 484,918,515, 727,384,075.92 and 161,802,387 is: 242,705,683.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,918,515 : 727,384,075.92 = 161,802,387 : x
  2. Step 2: Convert to fraction form
    484,918,515/727,384,075.92 = 161,802,387/x
  3. Step 3: Cross multiply
    484,918,515x = 727,384,075.92 × 161,802,387
  4. Step 4: Simplify right side
    484,918,515x = 117,692,479,749,645,216
  5. Step 5: Solve for x
    x = 117,692,479,749,645,216/484,918,515
  6. Step 6: Final answer
    x = 242,705,683.76

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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.