Home / 1,433,172,899,072.70-1,977,778,525,072.20-773,978,911,982.62

Finding the Fourth Proportional to 1,433,172,899,072.70, 1,977,778,525,072.20 and 773,978,911,982.62

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Solution

The fourth proportional to 1,433,172,899,072.70, 1,977,778,525,072.20 and 773,978,911,982.62 is: 1,068,090,857,682.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,433,172,899,072.70 : 1,977,778,525,072.20 = 773,978,911,982.62 : x
  2. Step 2: Convert to fraction form
    1,433,172,899,072.70/1,977,778,525,072.20 = 773,978,911,982.62/x
  3. Step 3: Cross multiply
    1,433,172,899,072.70x = 1,977,778,525,072.20 × 773,978,911,982.62
  4. Step 4: Simplify right side
    1,433,172,899,072.70x = 1,530,758,870,977,972,292,026,368
  5. Step 5: Solve for x
    x = 1,530,758,870,977,972,292,026,368/1,433,172,899,072.70
  6. Step 6: Final answer
    x = 1,068,090,857,682.57

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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.