Home / 1,320,099,480,906.10-1,980,149,221,359.20-472,113,514,582.90

Finding the Fourth Proportional to 1,320,099,480,906.10, 1,980,149,221,359.20 and 472,113,514,582.90

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Solution

The fourth proportional to 1,320,099,480,906.10, 1,980,149,221,359.20 and 472,113,514,582.90 is: 708,170,271,874.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,320,099,480,906.10 : 1,980,149,221,359.20 = 472,113,514,582.90 : x
  2. Step 2: Convert to fraction form
    1,320,099,480,906.10/1,980,149,221,359.20 = 472,113,514,582.90/x
  3. Step 3: Cross multiply
    1,320,099,480,906.10x = 1,980,149,221,359.20 × 472,113,514,582.90
  4. Step 4: Simplify right side
    1,320,099,480,906.10x = 934,855,208,294,484,767,932,416
  5. Step 5: Solve for x
    x = 934,855,208,294,484,767,932,416/1,320,099,480,906.10
  6. Step 6: Final answer
    x = 708,170,271,874.37

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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.