Home / 1,214,231,790.33-1,675,645,218.34-657,314,837.39

Finding the Fourth Proportional to 1,214,231,790.33, 1,675,645,218.34 and 657,314,837.39

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Solution

The fourth proportional to 1,214,231,790.33, 1,675,645,218.34 and 657,314,837.39 is: 907,097,370.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,231,790.33 : 1,675,645,218.34 = 657,314,837.39 : x
  2. Step 2: Convert to fraction form
    1,214,231,790.33/1,675,645,218.34 = 657,314,837.39/x
  3. Step 3: Cross multiply
    1,214,231,790.33x = 1,675,645,218.34 × 657,314,837.39
  4. Step 4: Simplify right side
    1,214,231,790.33x = 1,101,426,464,219,034,112
  5. Step 5: Solve for x
    x = 1,101,426,464,219,034,112/1,214,231,790.33
  6. Step 6: Final answer
    x = 907,097,370.53

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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.