Home / 1,320,099,480,908.10-1,980,149,221,362.10-472,113,514,584.90

Finding the Fourth Proportional to 1,320,099,480,908.10, 1,980,149,221,362.10 and 472,113,514,584.90

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Solution

The fourth proportional to 1,320,099,480,908.10, 1,980,149,221,362.10 and 472,113,514,584.90 is: 708,170,271,877.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,320,099,480,908.10 : 1,980,149,221,362.10 = 472,113,514,584.90 : x
  2. Step 2: Convert to fraction form
    1,320,099,480,908.10/1,980,149,221,362.10 = 472,113,514,584.90/x
  3. Step 3: Cross multiply
    1,320,099,480,908.10x = 1,980,149,221,362.10 × 472,113,514,584.90
  4. Step 4: Simplify right side
    1,320,099,480,908.10x = 934,855,208,299,814,285,475,840
  5. Step 5: Solve for x
    x = 934,855,208,299,814,285,475,840/1,320,099,480,908.10
  6. Step 6: Final answer
    x = 708,170,271,877.33

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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.