Home / 470,877,731.28-649,806,112.48-259,180,035.76

Finding the Fourth Proportional to 470,877,731.28, 649,806,112.48 and 259,180,035.76

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Solution

The fourth proportional to 470,877,731.28, 649,806,112.48 and 259,180,035.76 is: 357,665,611.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,877,731.28 : 649,806,112.48 = 259,180,035.76 : x
  2. Step 2: Convert to fraction form
    470,877,731.28/649,806,112.48 = 259,180,035.76/x
  3. Step 3: Cross multiply
    470,877,731.28x = 649,806,112.48 × 259,180,035.76
  4. Step 4: Simplify right side
    470,877,731.28x = 168,416,771,469,632,992
  5. Step 5: Solve for x
    x = 168,416,771,469,632,992/470,877,731.28
  6. Step 6: Final answer
    x = 357,665,611.01

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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.