Home / 1,371,363,016.12-2,057,589,604.14-438,829,546.12

Finding the Fourth Proportional to 1,371,363,016.12, 2,057,589,604.14 and 438,829,546.12

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Solution

The fourth proportional to 1,371,363,016.12, 2,057,589,604.14 and 438,829,546.12 is: 658,418,742.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,371,363,016.12 : 2,057,589,604.14 = 438,829,546.12 : x
  2. Step 2: Convert to fraction form
    1,371,363,016.12/2,057,589,604.14 = 438,829,546.12/x
  3. Step 3: Cross multiply
    1,371,363,016.12x = 2,057,589,604.14 × 438,829,546.12
  4. Step 4: Simplify right side
    1,371,363,016.12x = 902,931,112,085,986,688
  5. Step 5: Solve for x
    x = 902,931,112,085,986,688/1,371,363,016.12
  6. Step 6: Final answer
    x = 658,418,742.14

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.