Home / 1,311,383,472.45-1,966,859,744.41-470,852,216.56

Finding the Fourth Proportional to 1,311,383,472.45, 1,966,859,744.41 and 470,852,216.56

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Solution

The fourth proportional to 1,311,383,472.45, 1,966,859,744.41 and 470,852,216.56 is: 706,200,962.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,311,383,472.45 : 1,966,859,744.41 = 470,852,216.56 : x
  2. Step 2: Convert to fraction form
    1,311,383,472.45/1,966,859,744.41 = 470,852,216.56/x
  3. Step 3: Cross multiply
    1,311,383,472.45x = 1,966,859,744.41 × 470,852,216.56
  4. Step 4: Simplify right side
    1,311,383,472.45x = 926,100,270,318,083,584
  5. Step 5: Solve for x
    x = 926,100,270,318,083,584/1,311,383,472.45
  6. Step 6: Final answer
    x = 706,200,962.40

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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.