Home / 256,829,952,075.20-385,244,928,112.80-167,568,271,409.60

Finding the Fourth Proportional to 256,829,952,075.20, 385,244,928,112.80 and 167,568,271,409.60

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Solution

The fourth proportional to 256,829,952,075.20, 385,244,928,112.80 and 167,568,271,409.60 is: 251,352,407,114.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,829,952,075.20 : 385,244,928,112.80 = 167,568,271,409.60 : x
  2. Step 2: Convert to fraction form
    256,829,952,075.20/385,244,928,112.80 = 167,568,271,409.60/x
  3. Step 3: Cross multiply
    256,829,952,075.20x = 385,244,928,112.80 × 167,568,271,409.60
  4. Step 4: Simplify right side
    256,829,952,075.20x = 64,554,826,673,177,514,475,520
  5. Step 5: Solve for x
    x = 64,554,826,673,177,514,475,520/256,829,952,075.20
  6. Step 6: Final answer
    x = 251,352,407,114.40

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1.5x scale

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.