Home / 491,110,191.66-736,781,408.10-159,116,664.54

Finding the Fourth Proportional to 491,110,191.66, 736,781,408.10 and 159,116,664.54

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Solution

The fourth proportional to 491,110,191.66, 736,781,408.10 and 159,116,664.54 is: 238,712,619.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,110,191.66 : 736,781,408.10 = 159,116,664.54 : x
  2. Step 2: Convert to fraction form
    491,110,191.66/736,781,408.10 = 159,116,664.54/x
  3. Step 3: Cross multiply
    491,110,191.66x = 736,781,408.10 × 159,116,664.54
  4. Step 4: Simplify right side
    491,110,191.66x = 117,234,200,151,956,544
  5. Step 5: Solve for x
    x = 117,234,200,151,956,544/491,110,191.66
  6. Step 6: Final answer
    x = 238,712,619.17

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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.