Home / 319,783,340.70-479,602,495.46-144,790,853.10

Finding the Fourth Proportional to 319,783,340.70, 479,602,495.46 and 144,790,853.10

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Solution

The fourth proportional to 319,783,340.70, 479,602,495.46 and 144,790,853.10 is: 217,153,446.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,783,340.70 : 479,602,495.46 = 144,790,853.10 : x
  2. Step 2: Convert to fraction form
    319,783,340.70/479,602,495.46 = 144,790,853.10/x
  3. Step 3: Cross multiply
    319,783,340.70x = 479,602,495.46 × 144,790,853.10
  4. Step 4: Simplify right side
    319,783,340.70x = 69,442,054,465,105,744
  5. Step 5: Solve for x
    x = 69,442,054,465,105,744/319,783,340.70
  6. Step 6: Final answer
    x = 217,153,446.18

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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.