Home / 313,380,653.76-432,009,509.94-219,001,781.70

Finding the Fourth Proportional to 313,380,653.76, 432,009,509.94 and 219,001,781.70

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Solution

The fourth proportional to 313,380,653.76, 432,009,509.94 and 219,001,781.70 is: 301,903,934.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,380,653.76 : 432,009,509.94 = 219,001,781.70 : x
  2. Step 2: Convert to fraction form
    313,380,653.76/432,009,509.94 = 219,001,781.70/x
  3. Step 3: Cross multiply
    313,380,653.76x = 432,009,509.94 × 219,001,781.70
  4. Step 4: Simplify right side
    313,380,653.76x = 94,610,852,388,203,856
  5. Step 5: Solve for x
    x = 94,610,852,388,203,856/313,380,653.76
  6. Step 6: Final answer
    x = 301,903,934.57

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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.