Home / 281,460,556,824.68-388,412,808,976.94-152,994,361,986.48

Finding the Fourth Proportional to 281,460,556,824.68, 388,412,808,976.94 and 152,994,361,986.48

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Solution

The fourth proportional to 281,460,556,824.68, 388,412,808,976.94 and 152,994,361,986.48 is: 211,130,719,583.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,460,556,824.68 : 388,412,808,976.94 = 152,994,361,986.48 : x
  2. Step 2: Convert to fraction form
    281,460,556,824.68/388,412,808,976.94 = 152,994,361,986.48/x
  3. Step 3: Cross multiply
    281,460,556,824.68x = 388,412,808,976.94 × 152,994,361,986.48
  4. Step 4: Simplify right side
    281,460,556,824.68x = 59,424,969,896,803,468,050,432
  5. Step 5: Solve for x
    x = 59,424,969,896,803,468,050,432/281,460,556,824.68
  6. Step 6: Final answer
    x = 211,130,719,583.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.