Home / 647,514,622.40-971,271,933.60-453,644,945.60

Finding the Fourth Proportional to 647,514,622.40, 971,271,933.60 and 453,644,945.60

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Solution

The fourth proportional to 647,514,622.40, 971,271,933.60 and 453,644,945.60 is: 680,467,418.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,514,622.40 : 971,271,933.60 = 453,644,945.60 : x
  2. Step 2: Convert to fraction form
    647,514,622.40/971,271,933.60 = 453,644,945.60/x
  3. Step 3: Cross multiply
    647,514,622.40x = 971,271,933.60 × 453,644,945.60
  4. Step 4: Simplify right side
    647,514,622.40x = 440,612,603,480,778,816
  5. Step 5: Solve for x
    x = 440,612,603,480,778,816/647,514,622.40
  6. Step 6: Final answer
    x = 680,467,418.40

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Double scale
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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.