Home / 405,671,250,449.16-608,526,446,331.69-133,389,471,223.51

Finding the Fourth Proportional to 405,671,250,449.16, 608,526,446,331.69 and 133,389,471,223.51

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Solution

The fourth proportional to 405,671,250,449.16, 608,526,446,331.69 and 133,389,471,223.51 is: 200,090,641,897.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,671,250,449.16 : 608,526,446,331.69 = 133,389,471,223.51 : x
  2. Step 2: Convert to fraction form
    405,671,250,449.16/608,526,446,331.69 = 133,389,471,223.51/x
  3. Step 3: Cross multiply
    405,671,250,449.16x = 608,526,446,331.69 × 133,389,471,223.51
  4. Step 4: Simplify right side
    405,671,250,449.16x = 81,171,020,901,705,752,510,464
  5. Step 5: Solve for x
    x = 81,171,020,901,705,752,510,464/405,671,250,449.16
  6. Step 6: Final answer
    x = 200,090,641,897.43

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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.