Home / 1,433,172,899,069-1,977,778,525,067.70-773,978,911,979.61

Finding the Fourth Proportional to 1,433,172,899,069, 1,977,778,525,067.70 and 773,978,911,979.61

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Solution

The fourth proportional to 1,433,172,899,069, 1,977,778,525,067.70 and 773,978,911,979.61 is: 1,068,090,857,678.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,433,172,899,069 : 1,977,778,525,067.70 = 773,978,911,979.61 : x
  2. Step 2: Convert to fraction form
    1,433,172,899,069/1,977,778,525,067.70 = 773,978,911,979.61/x
  3. Step 3: Cross multiply
    1,433,172,899,069x = 1,977,778,525,067.70 × 773,978,911,979.61
  4. Step 4: Simplify right side
    1,433,172,899,069x = 1,530,758,870,968,536,248,877,056
  5. Step 5: Solve for x
    x = 1,530,758,870,968,536,248,877,056/1,433,172,899,069
  6. Step 6: Final answer
    x = 1,068,090,857,678.74

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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.