Home / 505,561,901,541.42-758,262,127,725-147,330,080,783.25

Finding the Fourth Proportional to 505,561,901,541.42, 758,262,127,725 and 147,330,080,783.25

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Solution

The fourth proportional to 505,561,901,541.42, 758,262,127,725 and 147,330,080,783.25 is: 220,971,596,538.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,561,901,541.42 : 758,262,127,725 = 147,330,080,783.25 : x
  2. Step 2: Convert to fraction form
    505,561,901,541.42/758,262,127,725 = 147,330,080,783.25/x
  3. Step 3: Cross multiply
    505,561,901,541.42x = 758,262,127,725 × 147,330,080,783.25
  4. Step 4: Simplify right side
    505,561,901,541.42x = 111,714,820,532,603,273,084,928
  5. Step 5: Solve for x
    x = 111,714,820,532,603,273,084,928/505,561,901,541.42
  6. Step 6: Final answer
    x = 220,971,596,538.41

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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.