Home / 1,211,114,190.16-1,671,338,254.17-654,197,240.26

Finding the Fourth Proportional to 1,211,114,190.16, 1,671,338,254.17 and 654,197,240.26

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Solution

The fourth proportional to 1,211,114,190.16, 1,671,338,254.17 and 654,197,240.26 is: 902,792,554.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,114,190.16 : 1,671,338,254.17 = 654,197,240.26 : x
  2. Step 2: Convert to fraction form
    1,211,114,190.16/1,671,338,254.17 = 654,197,240.26/x
  3. Step 3: Cross multiply
    1,211,114,190.16x = 1,671,338,254.17 × 654,197,240.26
  4. Step 4: Simplify right side
    1,211,114,190.16x = 1,093,384,873,418,980,480
  5. Step 5: Solve for x
    x = 1,093,384,873,418,980,480/1,211,114,190.16
  6. Step 6: Final answer
    x = 902,792,554.41

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Double scale
Find fourth proportional to 1,211,114,191.16, 1,671,338,255.55 and 654,197,241.26
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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.