Home / 1,091,481,045.45-1,637,221,381.26-345,020,822.33

Finding the Fourth Proportional to 1,091,481,045.45, 1,637,221,381.26 and 345,020,822.33

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Solution

The fourth proportional to 1,091,481,045.45, 1,637,221,381.26 and 345,020,822.33 is: 517,531,174.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,481,045.45 : 1,637,221,381.26 = 345,020,822.33 : x
  2. Step 2: Convert to fraction form
    1,091,481,045.45/1,637,221,381.26 = 345,020,822.33/x
  3. Step 3: Cross multiply
    1,091,481,045.45x = 1,637,221,381.26 × 345,020,822.33
  4. Step 4: Simplify right side
    1,091,481,045.45x = 564,875,467,290,397,504
  5. Step 5: Solve for x
    x = 564,875,467,290,397,504/1,091,481,045.45
  6. Step 6: Final answer
    x = 517,531,174.40

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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.