Home / 1,214,231,786.10-1,675,645,212.44-657,314,833.17

Finding the Fourth Proportional to 1,214,231,786.10, 1,675,645,212.44 and 657,314,833.17

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Solution

The fourth proportional to 1,214,231,786.10, 1,675,645,212.44 and 657,314,833.17 is: 907,097,364.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,231,786.10 : 1,675,645,212.44 = 657,314,833.17 : x
  2. Step 2: Convert to fraction form
    1,214,231,786.10/1,675,645,212.44 = 657,314,833.17/x
  3. Step 3: Cross multiply
    1,214,231,786.10x = 1,675,645,212.44 × 657,314,833.17
  4. Step 4: Simplify right side
    1,214,231,786.10x = 1,101,426,453,267,107,712
  5. Step 5: Solve for x
    x = 1,101,426,453,267,107,712/1,214,231,786.10
  6. Step 6: Final answer
    x = 907,097,364.67

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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.