Home / 1,259,594,885.88-1,889,385,600.92-326,917,052.72

Finding the Fourth Proportional to 1,259,594,885.88, 1,889,385,600.92 and 326,917,052.72

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Solution

The fourth proportional to 1,259,594,885.88, 1,889,385,600.92 and 326,917,052.72 is: 490,373,832.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,594,885.88 : 1,889,385,600.92 = 326,917,052.72 : x
  2. Step 2: Convert to fraction form
    1,259,594,885.88/1,889,385,600.92 = 326,917,052.72/x
  3. Step 3: Cross multiply
    1,259,594,885.88x = 1,889,385,600.92 × 326,917,052.72
  4. Step 4: Simplify right side
    1,259,594,885.88x = 617,672,372,104,372,608
  5. Step 5: Solve for x
    x = 617,672,372,104,372,608/1,259,594,885.88
  6. Step 6: Final answer
    x = 490,373,832.91

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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.