Home / 320,039,959.70-480,059,939.55-314,938,126.10

Finding the Fourth Proportional to 320,039,959.70, 480,059,939.55 and 314,938,126.10

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Solution

The fourth proportional to 320,039,959.70, 480,059,939.55 and 314,938,126.10 is: 472,407,189.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,039,959.70 : 480,059,939.55 = 314,938,126.10 : x
  2. Step 2: Convert to fraction form
    320,039,959.70/480,059,939.55 = 314,938,126.10/x
  3. Step 3: Cross multiply
    320,039,959.70x = 480,059,939.55 × 314,938,126.10
  4. Step 4: Simplify right side
    320,039,959.70x = 151,189,177,777,556,288
  5. Step 5: Solve for x
    x = 151,189,177,777,556,288/320,039,959.70
  6. Step 6: Final answer
    x = 472,407,189.15

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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.