Home / 348,302,906.88-480,645,958.50-191,655,357.72

Finding the Fourth Proportional to 348,302,906.88, 480,645,958.50 and 191,655,357.72

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Solution

The fourth proportional to 348,302,906.88, 480,645,958.50 and 191,655,357.72 is: 264,477,761.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,302,906.88 : 480,645,958.50 = 191,655,357.72 : x
  2. Step 2: Convert to fraction form
    348,302,906.88/480,645,958.50 = 191,655,357.72/x
  3. Step 3: Cross multiply
    348,302,906.88x = 480,645,958.50 × 191,655,357.72
  4. Step 4: Simplify right side
    348,302,906.88x = 92,118,373,112,989,776
  5. Step 5: Solve for x
    x = 92,118,373,112,989,776/348,302,906.88
  6. Step 6: Final answer
    x = 264,477,761.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.