Home / 1,321,666,524-1,823,903,437.32-727,011,929.34

Finding the Fourth Proportional to 1,321,666,524, 1,823,903,437.32 and 727,011,929.34

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Solution

The fourth proportional to 1,321,666,524, 1,823,903,437.32 and 727,011,929.34 is: 1,003,278,461.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,321,666,524 : 1,823,903,437.32 = 727,011,929.34 : x
  2. Step 2: Convert to fraction form
    1,321,666,524/1,823,903,437.32 = 727,011,929.34/x
  3. Step 3: Cross multiply
    1,321,666,524x = 1,823,903,437.32 × 727,011,929.34
  4. Step 4: Simplify right side
    1,321,666,524x = 1,325,999,556,895,870,976
  5. Step 5: Solve for x
    x = 1,325,999,556,895,870,976/1,321,666,524
  6. Step 6: Final answer
    x = 1,003,278,461.56

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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.