Home / 531,689,953.20-798,356,075.40-289,825,249.20

Finding the Fourth Proportional to 531,689,953.20, 798,356,075.40 and 289,825,249.20

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Solution

The fourth proportional to 531,689,953.20, 798,356,075.40 and 289,825,249.20 is: 435,185,481.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,689,953.20 : 798,356,075.40 = 289,825,249.20 : x
  2. Step 2: Convert to fraction form
    531,689,953.20/798,356,075.40 = 289,825,249.20/x
  3. Step 3: Cross multiply
    531,689,953.20x = 798,356,075.40 × 289,825,249.20
  4. Step 4: Simplify right side
    531,689,953.20x = 231,383,748,503,138,976
  5. Step 5: Solve for x
    x = 231,383,748,503,138,976/531,689,953.20
  6. Step 6: Final answer
    x = 435,185,481.90

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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.