Home / 647,514,541.90-971,271,812.85-453,644,865.10

Finding the Fourth Proportional to 647,514,541.90, 971,271,812.85 and 453,644,865.10

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Solution

The fourth proportional to 647,514,541.90, 971,271,812.85 and 453,644,865.10 is: 680,467,297.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,514,541.90 : 971,271,812.85 = 453,644,865.10 : x
  2. Step 2: Convert to fraction form
    647,514,541.90/971,271,812.85 = 453,644,865.10/x
  3. Step 3: Cross multiply
    647,514,541.90x = 971,271,812.85 × 453,644,865.10
  4. Step 4: Simplify right side
    647,514,541.90x = 440,612,470,515,770,752
  5. Step 5: Solve for x
    x = 440,612,470,515,770,752/647,514,541.90
  6. Step 6: Final answer
    x = 680,467,297.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.