Home / 521,946,466.83-719,617,483.53-427,512,725.37

Finding the Fourth Proportional to 521,946,466.83, 719,617,483.53 and 427,512,725.37

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Solution

The fourth proportional to 521,946,466.83, 719,617,483.53 and 427,512,725.37 is: 589,419,894.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,946,466.83 : 719,617,483.53 = 427,512,725.37 : x
  2. Step 2: Convert to fraction form
    521,946,466.83/719,617,483.53 = 427,512,725.37/x
  3. Step 3: Cross multiply
    521,946,466.83x = 719,617,483.53 × 427,512,725.37
  4. Step 4: Simplify right side
    521,946,466.83x = 307,645,631,607,811,392
  5. Step 5: Solve for x
    x = 307,645,631,607,811,392/521,946,466.83
  6. Step 6: Final answer
    x = 589,419,894.87

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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.