Home / 706,638,623.42-1,059,467,085.63-312,950,919.60

Finding the Fourth Proportional to 706,638,623.42, 1,059,467,085.63 and 312,950,919.60

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Solution

The fourth proportional to 706,638,623.42, 1,059,467,085.63 and 312,950,919.60 is: 469,208,995.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,638,623.42 : 1,059,467,085.63 = 312,950,919.60 : x
  2. Step 2: Convert to fraction form
    706,638,623.42/1,059,467,085.63 = 312,950,919.60/x
  3. Step 3: Cross multiply
    706,638,623.42x = 1,059,467,085.63 × 312,950,919.60
  4. Step 4: Simplify right side
    706,638,623.42x = 331,561,198,733,840,448
  5. Step 5: Solve for x
    x = 331,561,198,733,840,448/706,638,623.42
  6. Step 6: Final answer
    x = 469,208,995.58

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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.