Home / 321,628,009.84-482,495,825.76-252,538,026.64

Finding the Fourth Proportional to 321,628,009.84, 482,495,825.76 and 252,538,026.64

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Solution

The fourth proportional to 321,628,009.84, 482,495,825.76 and 252,538,026.64 is: 378,849,291.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,628,009.84 : 482,495,825.76 = 252,538,026.64 : x
  2. Step 2: Convert to fraction form
    321,628,009.84/482,495,825.76 = 252,538,026.64/x
  3. Step 3: Cross multiply
    321,628,009.84x = 482,495,825.76 × 252,538,026.64
  4. Step 4: Simplify right side
    321,628,009.84x = 121,848,543,699,467,664
  5. Step 5: Solve for x
    x = 121,848,543,699,467,664/321,628,009.84
  6. Step 6: Final answer
    x = 378,849,291.64

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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.