Home / 639,077,569.80-957,955,005.90-347,328,270.60

Finding the Fourth Proportional to 639,077,569.80, 957,955,005.90 and 347,328,270.60

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Solution

The fourth proportional to 639,077,569.80, 957,955,005.90 and 347,328,270.60 is: 520,632,973.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,077,569.80 : 957,955,005.90 = 347,328,270.60 : x
  2. Step 2: Convert to fraction form
    639,077,569.80/957,955,005.90 = 347,328,270.60/x
  3. Step 3: Cross multiply
    639,077,569.80x = 957,955,005.90 × 347,328,270.60
  4. Step 4: Simplify right side
    639,077,569.80x = 332,724,855,511,859,840
  5. Step 5: Solve for x
    x = 332,724,855,511,859,840/639,077,569.80
  6. Step 6: Final answer
    x = 520,632,973.58

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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.