Home / 354,460,951.80-532,238,858.10-193,217,815.80

Finding the Fourth Proportional to 354,460,951.80, 532,238,858.10 and 193,217,815.80

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Solution

The fourth proportional to 354,460,951.80, 532,238,858.10 and 193,217,815.80 is: 290,125,129.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,460,951.80 : 532,238,858.10 = 193,217,815.80 : x
  2. Step 2: Convert to fraction form
    354,460,951.80/532,238,858.10 = 193,217,815.80/x
  3. Step 3: Cross multiply
    354,460,951.80x = 532,238,858.10 × 193,217,815.80
  4. Step 4: Simplify right side
    354,460,951.80x = 102,838,029,645,968,144
  5. Step 5: Solve for x
    x = 102,838,029,645,968,144/354,460,951.80
  6. Step 6: Final answer
    x = 290,125,129.79

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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.