Home / 1,174,686,468,889.40-1,621,067,405,021.20-653,830,709,415.70

Finding the Fourth Proportional to 1,174,686,468,889.40, 1,621,067,405,021.20 and 653,830,709,415.70

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Solution

The fourth proportional to 1,174,686,468,889.40, 1,621,067,405,021.20 and 653,830,709,415.70 is: 902,286,422,382.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,174,686,468,889.40 : 1,621,067,405,021.20 = 653,830,709,415.70 : x
  2. Step 2: Convert to fraction form
    1,174,686,468,889.40/1,621,067,405,021.20 = 653,830,709,415.70/x
  3. Step 3: Cross multiply
    1,174,686,468,889.40x = 1,621,067,405,021.20 × 653,830,709,415.70
  4. Step 4: Simplify right side
    1,174,686,468,889.40x = 1,059,903,651,435,678,959,403,008
  5. Step 5: Solve for x
    x = 1,059,903,651,435,678,959,403,008/1,174,686,468,889.40
  6. Step 6: Final answer
    x = 902,286,422,382.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.