Home / 505,561,901,538.42-758,262,127,720.50-147,330,080,780.25

Finding the Fourth Proportional to 505,561,901,538.42, 758,262,127,720.50 and 147,330,080,780.25

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Solution

The fourth proportional to 505,561,901,538.42, 758,262,127,720.50 and 147,330,080,780.25 is: 220,971,596,533.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,561,901,538.42 : 758,262,127,720.50 = 147,330,080,780.25 : x
  2. Step 2: Convert to fraction form
    505,561,901,538.42/758,262,127,720.50 = 147,330,080,780.25/x
  3. Step 3: Cross multiply
    505,561,901,538.42x = 758,262,127,720.50 × 147,330,080,780.25
  4. Step 4: Simplify right side
    505,561,901,538.42x = 111,714,820,529,665,515,454,464
  5. Step 5: Solve for x
    x = 111,714,820,529,665,515,454,464/505,561,901,538.42
  6. Step 6: Final answer
    x = 220,971,596,533.91

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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.