Home / 313,380,654.76-432,009,511.32-219,001,782.70

Finding the Fourth Proportional to 313,380,654.76, 432,009,511.32 and 219,001,782.70

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Solution

The fourth proportional to 313,380,654.76, 432,009,511.32 and 219,001,782.70 is: 301,903,935.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,380,654.76 : 432,009,511.32 = 219,001,782.70 : x
  2. Step 2: Convert to fraction form
    313,380,654.76/432,009,511.32 = 219,001,782.70/x
  3. Step 3: Cross multiply
    313,380,654.76x = 432,009,511.32 × 219,001,782.70
  4. Step 4: Simplify right side
    313,380,654.76x = 94,610,853,122,435,824
  5. Step 5: Solve for x
    x = 94,610,853,122,435,824/313,380,654.76
  6. Step 6: Final answer
    x = 301,903,935.95

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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.