Home / 1,296,127,907.18-1,788,661,028.13-701,412,242.48

Finding the Fourth Proportional to 1,296,127,907.18, 1,788,661,028.13 and 701,412,242.48

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Solution

The fourth proportional to 1,296,127,907.18, 1,788,661,028.13 and 701,412,242.48 is: 967,951,338.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,127,907.18 : 1,788,661,028.13 = 701,412,242.48 : x
  2. Step 2: Convert to fraction form
    1,296,127,907.18/1,788,661,028.13 = 701,412,242.48/x
  3. Step 3: Cross multiply
    1,296,127,907.18x = 1,788,661,028.13 × 701,412,242.48
  4. Step 4: Simplify right side
    1,296,127,907.18x = 1,254,588,742,777,245,696
  5. Step 5: Solve for x
    x = 1,254,588,742,777,245,696/1,296,127,907.18
  6. Step 6: Final answer
    x = 967,951,338.62

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Double scale
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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.