Home / 505,561,901,507.79-758,262,127,674.69-147,330,080,749.69

Finding the Fourth Proportional to 505,561,901,507.79, 758,262,127,674.69 and 147,330,080,749.69

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Solution

The fourth proportional to 505,561,901,507.79, 758,262,127,674.69 and 147,330,080,749.69 is: 220,971,596,488.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,561,901,507.79 : 758,262,127,674.69 = 147,330,080,749.69 : x
  2. Step 2: Convert to fraction form
    505,561,901,507.79/758,262,127,674.69 = 147,330,080,749.69/x
  3. Step 3: Cross multiply
    505,561,901,507.79x = 758,262,127,674.69 × 147,330,080,749.69
  4. Step 4: Simplify right side
    505,561,901,507.79x = 111,714,820,499,743,820,480,512
  5. Step 5: Solve for x
    x = 111,714,820,499,743,820,480,512/505,561,901,507.79
  6. Step 6: Final answer
    x = 220,971,596,488.12

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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.