Home / 512,280,316.20-708,138,286.74-457,072,912.92

Finding the Fourth Proportional to 512,280,316.20, 708,138,286.74 and 457,072,912.92

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Solution

The fourth proportional to 512,280,316.20, 708,138,286.74 and 457,072,912.92 is: 631,823,670.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,280,316.20 : 708,138,286.74 = 457,072,912.92 : x
  2. Step 2: Convert to fraction form
    512,280,316.20/708,138,286.74 = 457,072,912.92/x
  3. Step 3: Cross multiply
    512,280,316.20x = 708,138,286.74 × 457,072,912.92
  4. Step 4: Simplify right side
    512,280,316.20x = 323,670,829,470,430,016
  5. Step 5: Solve for x
    x = 323,670,829,470,430,016/512,280,316.20
  6. Step 6: Final answer
    x = 631,823,670.04

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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.