Home / 521,946,488.36-719,617,513.20-427,512,746.90

Finding the Fourth Proportional to 521,946,488.36, 719,617,513.20 and 427,512,746.90

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Solution

The fourth proportional to 521,946,488.36, 719,617,513.20 and 427,512,746.90 is: 589,419,924.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,946,488.36 : 719,617,513.20 = 427,512,746.90 : x
  2. Step 2: Convert to fraction form
    521,946,488.36/719,617,513.20 = 427,512,746.90/x
  3. Step 3: Cross multiply
    521,946,488.36x = 719,617,513.20 × 427,512,746.90
  4. Step 4: Simplify right side
    521,946,488.36x = 307,645,659,785,479,040
  5. Step 5: Solve for x
    x = 307,645,659,785,479,040/521,946,488.36
  6. Step 6: Final answer
    x = 589,419,924.54

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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.