Home / 316,512,892.80-474,769,339.20-238,914,633.60

Finding the Fourth Proportional to 316,512,892.80, 474,769,339.20 and 238,914,633.60

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Solution

The fourth proportional to 316,512,892.80, 474,769,339.20 and 238,914,633.60 is: 358,371,950.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,512,892.80 : 474,769,339.20 = 238,914,633.60 : x
  2. Step 2: Convert to fraction form
    316,512,892.80/474,769,339.20 = 238,914,633.60/x
  3. Step 3: Cross multiply
    316,512,892.80x = 474,769,339.20 × 238,914,633.60
  4. Step 4: Simplify right side
    316,512,892.80x = 113,429,342,719,482,112
  5. Step 5: Solve for x
    x = 113,429,342,719,482,112/316,512,892.80
  6. Step 6: Final answer
    x = 358,371,950.40

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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.