Home / 470,994,868.65-649,961,038.75-259,299,586.41

Finding the Fourth Proportional to 470,994,868.65, 649,961,038.75 and 259,299,586.41

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Solution

The fourth proportional to 470,994,868.65, 649,961,038.75 and 259,299,586.41 is: 357,826,888.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,994,868.65 : 649,961,038.75 = 259,299,586.41 : x
  2. Step 2: Convert to fraction form
    470,994,868.65/649,961,038.75 = 259,299,586.41/x
  3. Step 3: Cross multiply
    470,994,868.65x = 649,961,038.75 × 259,299,586.41
  4. Step 4: Simplify right side
    470,994,868.65x = 168,534,628,530,488,992
  5. Step 5: Solve for x
    x = 168,534,628,530,488,992/470,994,868.65
  6. Step 6: Final answer
    x = 357,826,888.89

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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.