Home / 286,282,522.36-394,945,129.86-180,371,645.68

Finding the Fourth Proportional to 286,282,522.36, 394,945,129.86 and 180,371,645.68

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Solution

The fourth proportional to 286,282,522.36, 394,945,129.86 and 180,371,645.68 is: 248,834,271.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,282,522.36 : 394,945,129.86 = 180,371,645.68 : x
  2. Step 2: Convert to fraction form
    286,282,522.36/394,945,129.86 = 180,371,645.68/x
  3. Step 3: Cross multiply
    286,282,522.36x = 394,945,129.86 × 180,371,645.68
  4. Step 4: Simplify right side
    286,282,522.36x = 71,236,903,026,149,512
  5. Step 5: Solve for x
    x = 71,236,903,026,149,512/286,282,522.36
  6. Step 6: Final answer
    x = 248,834,271.96

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