Home / 1,311,383,619.38-1,966,859,964.82-470,852,363.46

Finding the Fourth Proportional to 1,311,383,619.38, 1,966,859,964.82 and 470,852,363.46

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Solution

The fourth proportional to 1,311,383,619.38, 1,966,859,964.82 and 470,852,363.46 is: 706,201,182.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,311,383,619.38 : 1,966,859,964.82 = 470,852,363.46 : x
  2. Step 2: Convert to fraction form
    1,311,383,619.38/1,966,859,964.82 = 470,852,363.46/x
  3. Step 3: Cross multiply
    1,311,383,619.38x = 1,966,859,964.82 × 470,852,363.46
  4. Step 4: Simplify right side
    1,311,383,619.38x = 926,100,663,030,349,440
  5. Step 5: Solve for x
    x = 926,100,663,030,349,440/1,311,383,619.38
  6. Step 6: Final answer
    x = 706,201,182.74

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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.