Home / 383,788,951.29-574,168,725.37-290,684,127.91

Finding the Fourth Proportional to 383,788,951.29, 574,168,725.37 and 290,684,127.91

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Solution

The fourth proportional to 383,788,951.29, 574,168,725.37 and 290,684,127.91 is: 434,878,947.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,788,951.29 : 574,168,725.37 = 290,684,127.91 : x
  2. Step 2: Convert to fraction form
    383,788,951.29/574,168,725.37 = 290,684,127.91/x
  3. Step 3: Cross multiply
    383,788,951.29x = 574,168,725.37 × 290,684,127.91
  4. Step 4: Simplify right side
    383,788,951.29x = 166,901,735,206,755,168
  5. Step 5: Solve for x
    x = 166,901,735,206,755,168/383,788,951.29
  6. Step 6: Final answer
    x = 434,878,947.52

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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.