Home / 1,320,099,481,323.10-1,980,149,221,984.60-472,113,514,999.90

Finding the Fourth Proportional to 1,320,099,481,323.10, 1,980,149,221,984.60 and 472,113,514,999.90

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Solution

The fourth proportional to 1,320,099,481,323.10, 1,980,149,221,984.60 and 472,113,514,999.90 is: 708,170,272,499.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,320,099,481,323.10 : 1,980,149,221,984.60 = 472,113,514,999.90 : x
  2. Step 2: Convert to fraction form
    1,320,099,481,323.10/1,980,149,221,984.60 = 472,113,514,999.90/x
  3. Step 3: Cross multiply
    1,320,099,481,323.10x = 1,980,149,221,984.60 × 472,113,514,999.90
  4. Step 4: Simplify right side
    1,320,099,481,323.10x = 934,855,209,415,466,803,003,392
  5. Step 5: Solve for x
    x = 934,855,209,415,466,803,003,392/1,320,099,481,323.10
  6. Step 6: Final answer
    x = 708,170,272,499.83

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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.