Home / 328,488,349.28-453,314,063.94-179,810,318.36

Finding the Fourth Proportional to 328,488,349.28, 453,314,063.94 and 179,810,318.36

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Solution

The fourth proportional to 328,488,349.28, 453,314,063.94 and 179,810,318.36 is: 248,138,317.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,488,349.28 : 453,314,063.94 = 179,810,318.36 : x
  2. Step 2: Convert to fraction form
    328,488,349.28/453,314,063.94 = 179,810,318.36/x
  3. Step 3: Cross multiply
    328,488,349.28x = 453,314,063.94 × 179,810,318.36
  4. Step 4: Simplify right side
    328,488,349.28x = 81,510,546,154,116,800
  5. Step 5: Solve for x
    x = 81,510,546,154,116,800/328,488,349.28
  6. Step 6: Final answer
    x = 248,138,317.03

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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.