Home / 392,496,712.82-541,649,096.16-216,291,014.03

Finding the Fourth Proportional to 392,496,712.82, 541,649,096.16 and 216,291,014.03

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Solution

The fourth proportional to 392,496,712.82, 541,649,096.16 and 216,291,014.03 is: 298,483,601.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,496,712.82 : 541,649,096.16 = 216,291,014.03 : x
  2. Step 2: Convert to fraction form
    392,496,712.82/541,649,096.16 = 216,291,014.03/x
  3. Step 3: Cross multiply
    392,496,712.82x = 541,649,096.16 × 216,291,014.03
  4. Step 4: Simplify right side
    392,496,712.82x = 117,153,832,254,171,136
  5. Step 5: Solve for x
    x = 117,153,832,254,171,136/392,496,712.82
  6. Step 6: Final answer
    x = 298,483,601.08

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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.