Home / 852,119,762.30-1,278,179,643.45-489,322,706.30

Finding the Fourth Proportional to 852,119,762.30, 1,278,179,643.45 and 489,322,706.30

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Solution

The fourth proportional to 852,119,762.30, 1,278,179,643.45 and 489,322,706.30 is: 733,984,059.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,119,762.30 : 1,278,179,643.45 = 489,322,706.30 : x
  2. Step 2: Convert to fraction form
    852,119,762.30/1,278,179,643.45 = 489,322,706.30/x
  3. Step 3: Cross multiply
    852,119,762.30x = 1,278,179,643.45 × 489,322,706.30
  4. Step 4: Simplify right side
    852,119,762.30x = 625,442,322,270,523,136
  5. Step 5: Solve for x
    x = 625,442,322,270,523,136/852,119,762.30
  6. Step 6: Final answer
    x = 733,984,059.45

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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.