Home / 641,609,042.40-962,413,563.60-232,678,533.60

Finding the Fourth Proportional to 641,609,042.40, 962,413,563.60 and 232,678,533.60

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Solution

The fourth proportional to 641,609,042.40, 962,413,563.60 and 232,678,533.60 is: 349,017,800.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,609,042.40 : 962,413,563.60 = 232,678,533.60 : x
  2. Step 2: Convert to fraction form
    641,609,042.40/962,413,563.60 = 232,678,533.60/x
  3. Step 3: Cross multiply
    641,609,042.40x = 962,413,563.60 × 232,678,533.60
  4. Step 4: Simplify right side
    641,609,042.40x = 223,932,976,695,198,336
  5. Step 5: Solve for x
    x = 223,932,976,695,198,336/641,609,042.40
  6. Step 6: Final answer
    x = 349,017,800.40

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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.