Home / 647,514,600.90-971,271,901.35-453,644,924.10

Finding the Fourth Proportional to 647,514,600.90, 971,271,901.35 and 453,644,924.10

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Solution

The fourth proportional to 647,514,600.90, 971,271,901.35 and 453,644,924.10 is: 680,467,386.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,514,600.90 : 971,271,901.35 = 453,644,924.10 : x
  2. Step 2: Convert to fraction form
    647,514,600.90/971,271,901.35 = 453,644,924.10/x
  3. Step 3: Cross multiply
    647,514,600.90x = 971,271,901.35 × 453,644,924.10
  4. Step 4: Simplify right side
    647,514,600.90x = 440,612,567,968,383,488
  5. Step 5: Solve for x
    x = 440,612,567,968,383,488/647,514,600.90
  6. Step 6: Final answer
    x = 680,467,386.15

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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.