Home / 647,948,013.61-894,167,680.99-365,749,853.71

Finding the Fourth Proportional to 647,948,013.61, 894,167,680.99 and 365,749,853.71

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Solution

The fourth proportional to 647,948,013.61, 894,167,680.99 and 365,749,853.71 is: 504,734,471.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,948,013.61 : 894,167,680.99 = 365,749,853.71 : x
  2. Step 2: Convert to fraction form
    647,948,013.61/894,167,680.99 = 365,749,853.71/x
  3. Step 3: Cross multiply
    647,948,013.61x = 894,167,680.99 × 365,749,853.71
  4. Step 4: Simplify right side
    647,948,013.61x = 327,041,698,512,473,664
  5. Step 5: Solve for x
    x = 327,041,698,512,473,664/647,948,013.61
  6. Step 6: Final answer
    x = 504,734,471.97

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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.