Home / 505,561,901,500.17-758,262,127,663.30-147,330,080,742.06

Finding the Fourth Proportional to 505,561,901,500.17, 758,262,127,663.30 and 147,330,080,742.06

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Solution

The fourth proportional to 505,561,901,500.17, 758,262,127,663.30 and 147,330,080,742.06 is: 220,971,596,476.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,561,901,500.17 : 758,262,127,663.30 = 147,330,080,742.06 : x
  2. Step 2: Convert to fraction form
    505,561,901,500.17/758,262,127,663.30 = 147,330,080,742.06/x
  3. Step 3: Cross multiply
    505,561,901,500.17x = 758,262,127,663.30 × 147,330,080,742.06
  4. Step 4: Simplify right side
    505,561,901,500.17x = 111,714,820,492,280,207,507,456
  5. Step 5: Solve for x
    x = 111,714,820,492,280,207,507,456/505,561,901,500.17
  6. Step 6: Final answer
    x = 220,971,596,476.68

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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.