Home / 1,320,897,217,329-1,822,809,589,285.70-764,725,798,398.30

Finding the Fourth Proportional to 1,320,897,217,329, 1,822,809,589,285.70 and 764,725,798,398.30

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Solution

The fourth proportional to 1,320,897,217,329, 1,822,809,589,285.70 and 764,725,798,398.30 is: 1,055,305,060,989.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,320,897,217,329 : 1,822,809,589,285.70 = 764,725,798,398.30 : x
  2. Step 2: Convert to fraction form
    1,320,897,217,329/1,822,809,589,285.70 = 764,725,798,398.30/x
  3. Step 3: Cross multiply
    1,320,897,217,329x = 1,822,809,589,285.70 × 764,725,798,398.30
  4. Step 4: Simplify right side
    1,320,897,217,329x = 1,393,949,518,494,584,207,835,136
  5. Step 5: Solve for x
    x = 1,393,949,518,494,584,207,835,136/1,320,897,217,329
  6. Step 6: Final answer
    x = 1,055,305,060,989.76

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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.