Home / 545,597,152.80-818,395,729.20-486,142,893.60

Finding the Fourth Proportional to 545,597,152.80, 818,395,729.20 and 486,142,893.60

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Solution

The fourth proportional to 545,597,152.80, 818,395,729.20 and 486,142,893.60 is: 729,214,340.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,597,152.80 : 818,395,729.20 = 486,142,893.60 : x
  2. Step 2: Convert to fraction form
    545,597,152.80/818,395,729.20 = 486,142,893.60/x
  3. Step 3: Cross multiply
    545,597,152.80x = 818,395,729.20 × 486,142,893.60
  4. Step 4: Simplify right side
    545,597,152.80x = 397,857,267,903,170,048
  5. Step 5: Solve for x
    x = 397,857,267,903,170,048/545,597,152.80
  6. Step 6: Final answer
    x = 729,214,340.40

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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.