Home / 263,265,117.10-394,897,675.65-127,216,221.10

Finding the Fourth Proportional to 263,265,117.10, 394,897,675.65 and 127,216,221.10

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Solution

The fourth proportional to 263,265,117.10, 394,897,675.65 and 127,216,221.10 is: 190,824,331.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,265,117.10 : 394,897,675.65 = 127,216,221.10 : x
  2. Step 2: Convert to fraction form
    263,265,117.10/394,897,675.65 = 127,216,221.10/x
  3. Step 3: Cross multiply
    263,265,117.10x = 394,897,675.65 × 127,216,221.10
  4. Step 4: Simplify right side
    263,265,117.10x = 50,237,390,017,366,480
  5. Step 5: Solve for x
    x = 50,237,390,017,366,480/263,265,117.10
  6. Step 6: Final answer
    x = 190,824,331.65

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Double scale
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Similar ratio
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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.