Home / 519,569,684.70-716,431,578.75-331,099,419.30

Finding the Fourth Proportional to 519,569,684.70, 716,431,578.75 and 331,099,419.30

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Solution

The fourth proportional to 519,569,684.70, 716,431,578.75 and 331,099,419.30 is: 456,551,039.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,569,684.70 : 716,431,578.75 = 331,099,419.30 : x
  2. Step 2: Convert to fraction form
    519,569,684.70/716,431,578.75 = 331,099,419.30/x
  3. Step 3: Cross multiply
    519,569,684.70x = 716,431,578.75 × 331,099,419.30
  4. Step 4: Simplify right side
    519,569,684.70x = 237,210,079,692,307,232
  5. Step 5: Solve for x
    x = 237,210,079,692,307,232/519,569,684.70
  6. Step 6: Final answer
    x = 456,551,039.60

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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.