Home / 1,091,470,469,415.80-1,637,205,704,123.70-384,580,561,191.80

Finding the Fourth Proportional to 1,091,470,469,415.80, 1,637,205,704,123.70 and 384,580,561,191.80

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Solution

The fourth proportional to 1,091,470,469,415.80, 1,637,205,704,123.70 and 384,580,561,191.80 is: 576,870,841,787.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,470,469,415.80 : 1,637,205,704,123.70 = 384,580,561,191.80 : x
  2. Step 2: Convert to fraction form
    1,091,470,469,415.80/1,637,205,704,123.70 = 384,580,561,191.80/x
  3. Step 3: Cross multiply
    1,091,470,469,415.80x = 1,637,205,704,123.70 × 384,580,561,191.80
  4. Step 4: Simplify right side
    1,091,470,469,415.80x = 629,637,488,478,308,540,612,608
  5. Step 5: Solve for x
    x = 629,637,488,478,308,540,612,608/1,091,470,469,415.80
  6. Step 6: Final answer
    x = 576,870,841,787.70

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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.