Home / 1,211,114,189.16-1,671,338,252.79-654,197,239.26

Finding the Fourth Proportional to 1,211,114,189.16, 1,671,338,252.79 and 654,197,239.26

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Solution

The fourth proportional to 1,211,114,189.16, 1,671,338,252.79 and 654,197,239.26 is: 902,792,553.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,114,189.16 : 1,671,338,252.79 = 654,197,239.26 : x
  2. Step 2: Convert to fraction form
    1,211,114,189.16/1,671,338,252.79 = 654,197,239.26/x
  3. Step 3: Cross multiply
    1,211,114,189.16x = 1,671,338,252.79 × 654,197,239.26
  4. Step 4: Simplify right side
    1,211,114,189.16x = 1,093,384,870,844,849,920
  5. Step 5: Solve for x
    x = 1,093,384,870,844,849,920/1,211,114,189.16
  6. Step 6: Final answer
    x = 902,792,553.03

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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.