Home / 482,695,235.80-724,042,853.70-289,203,472.60

Finding the Fourth Proportional to 482,695,235.80, 724,042,853.70 and 289,203,472.60

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Solution

The fourth proportional to 482,695,235.80, 724,042,853.70 and 289,203,472.60 is: 433,805,208.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,695,235.80 : 724,042,853.70 = 289,203,472.60 : x
  2. Step 2: Convert to fraction form
    482,695,235.80/724,042,853.70 = 289,203,472.60/x
  3. Step 3: Cross multiply
    482,695,235.80x = 724,042,853.70 × 289,203,472.60
  4. Step 4: Simplify right side
    482,695,235.80x = 209,395,707,601,253,792
  5. Step 5: Solve for x
    x = 209,395,707,601,253,792/482,695,235.80
  6. Step 6: Final answer
    x = 433,805,208.90

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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.