Home / 320,039,958.70-480,059,938.05-314,938,125.10

Finding the Fourth Proportional to 320,039,958.70, 480,059,938.05 and 314,938,125.10

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Solution

The fourth proportional to 320,039,958.70, 480,059,938.05 and 314,938,125.10 is: 472,407,187.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,039,958.70 : 480,059,938.05 = 314,938,125.10 : x
  2. Step 2: Convert to fraction form
    320,039,958.70/480,059,938.05 = 314,938,125.10/x
  3. Step 3: Cross multiply
    320,039,958.70x = 480,059,938.05 × 314,938,125.10
  4. Step 4: Simplify right side
    320,039,958.70x = 151,189,176,825,089,152
  5. Step 5: Solve for x
    x = 151,189,176,825,089,152/320,039,958.70
  6. Step 6: Final answer
    x = 472,407,187.65

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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.