Home / 470,995,103.12-649,961,362.67-259,299,820.31

Finding the Fourth Proportional to 470,995,103.12, 649,961,362.67 and 259,299,820.31

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Solution

The fourth proportional to 470,995,103.12, 649,961,362.67 and 259,299,820.31 is: 357,827,211.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,995,103.12 : 649,961,362.67 = 259,299,820.31 : x
  2. Step 2: Convert to fraction form
    470,995,103.12/649,961,362.67 = 259,299,820.31/x
  3. Step 3: Cross multiply
    470,995,103.12x = 649,961,362.67 × 259,299,820.31
  4. Step 4: Simplify right side
    470,995,103.12x = 168,534,864,544,227,424
  5. Step 5: Solve for x
    x = 168,534,864,544,227,424/470,995,103.12
  6. Step 6: Final answer
    x = 357,827,211.85

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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.