Home / 706,638,623.28-1,059,467,085.51-312,950,919.47

Finding the Fourth Proportional to 706,638,623.28, 1,059,467,085.51 and 312,950,919.47

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Solution

The fourth proportional to 706,638,623.28, 1,059,467,085.51 and 312,950,919.47 is: 469,208,995.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,638,623.28 : 1,059,467,085.51 = 312,950,919.47 : x
  2. Step 2: Convert to fraction form
    706,638,623.28/1,059,467,085.51 = 312,950,919.47/x
  3. Step 3: Cross multiply
    706,638,623.28x = 1,059,467,085.51 × 312,950,919.47
  4. Step 4: Simplify right side
    706,638,623.28x = 331,561,198,553,258,240
  5. Step 5: Solve for x
    x = 331,561,198,553,258,240/706,638,623.28
  6. Step 6: Final answer
    x = 469,208,995.42

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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.