Home / 397,742,439,206.76-548,884,786,293.72-214,839,539,910.42

Finding the Fourth Proportional to 397,742,439,206.76, 548,884,786,293.72 and 214,839,539,910.42

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Solution

The fourth proportional to 397,742,439,206.76, 548,884,786,293.72 and 214,839,539,910.42 is: 296,478,684,010.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,742,439,206.76 : 548,884,786,293.72 = 214,839,539,910.42 : x
  2. Step 2: Convert to fraction form
    397,742,439,206.76/548,884,786,293.72 = 214,839,539,910.42/x
  3. Step 3: Cross multiply
    397,742,439,206.76x = 548,884,786,293.72 × 214,839,539,910.42
  4. Step 4: Simplify right side
    397,742,439,206.76x = 117,922,154,951,172,018,929,664
  5. Step 5: Solve for x
    x = 117,922,154,951,172,018,929,664/397,742,439,206.76
  6. Step 6: Final answer
    x = 296,478,684,010.56

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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.