Home / 1,311,383,999.50-1,966,860,534.98-470,852,743.57

Finding the Fourth Proportional to 1,311,383,999.50, 1,966,860,534.98 and 470,852,743.57

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Solution

The fourth proportional to 1,311,383,999.50, 1,966,860,534.98 and 470,852,743.57 is: 706,201,752.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,311,383,999.50 : 1,966,860,534.98 = 470,852,743.57 : x
  2. Step 2: Convert to fraction form
    1,311,383,999.50/1,966,860,534.98 = 470,852,743.57/x
  3. Step 3: Cross multiply
    1,311,383,999.50x = 1,966,860,534.98 × 470,852,743.57
  4. Step 4: Simplify right side
    1,311,383,999.50x = 926,101,679,111,150,976
  5. Step 5: Solve for x
    x = 926,101,679,111,150,976/1,311,383,999.50
  6. Step 6: Final answer
    x = 706,201,752.86

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Double scale
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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.