Home / 1,311,383,998.37-1,966,860,533.30-470,852,742.44

Finding the Fourth Proportional to 1,311,383,998.37, 1,966,860,533.30 and 470,852,742.44

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Solution

The fourth proportional to 1,311,383,998.37, 1,966,860,533.30 and 470,852,742.44 is: 706,201,751.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,311,383,998.37 : 1,966,860,533.30 = 470,852,742.44 : x
  2. Step 2: Convert to fraction form
    1,311,383,998.37/1,966,860,533.30 = 470,852,742.44/x
  3. Step 3: Cross multiply
    1,311,383,998.37x = 1,966,860,533.30 × 470,852,742.44
  4. Step 4: Simplify right side
    1,311,383,998.37x = 926,101,676,103,868,800
  5. Step 5: Solve for x
    x = 926,101,676,103,868,800/1,311,383,998.37
  6. Step 6: Final answer
    x = 706,201,751.17

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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.