Home / 1,296,127,907.34-1,788,661,028.46-701,412,242.64

Finding the Fourth Proportional to 1,296,127,907.34, 1,788,661,028.46 and 701,412,242.64

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Solution

The fourth proportional to 1,296,127,907.34, 1,788,661,028.46 and 701,412,242.64 is: 967,951,338.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,127,907.34 : 1,788,661,028.46 = 701,412,242.64 : x
  2. Step 2: Convert to fraction form
    1,296,127,907.34/1,788,661,028.46 = 701,412,242.64/x
  3. Step 3: Cross multiply
    1,296,127,907.34x = 1,788,661,028.46 × 701,412,242.64
  4. Step 4: Simplify right side
    1,296,127,907.34x = 1,254,588,743,294,897,408
  5. Step 5: Solve for x
    x = 1,254,588,743,294,897,408/1,296,127,907.34
  6. Step 6: Final answer
    x = 967,951,338.90

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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.