Home / 1,259,596,936.90-1,888,009,722.15-441,288,021.70

Finding the Fourth Proportional to 1,259,596,936.90, 1,888,009,722.15 and 441,288,021.70

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Solution

The fourth proportional to 1,259,596,936.90, 1,888,009,722.15 and 441,288,021.70 is: 661,446,571.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,596,936.90 : 1,888,009,722.15 = 441,288,021.70 : x
  2. Step 2: Convert to fraction form
    1,259,596,936.90/1,888,009,722.15 = 441,288,021.70/x
  3. Step 3: Cross multiply
    1,259,596,936.90x = 1,888,009,722.15 × 441,288,021.70
  4. Step 4: Simplify right side
    1,259,596,936.90x = 833,156,075,237,940,224
  5. Step 5: Solve for x
    x = 833,156,075,237,940,224/1,259,596,936.90
  6. Step 6: Final answer
    x = 661,446,571.38

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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.