Home / 816,778,944.35-1,127,250,235.60-464,407,732.88

Finding the Fourth Proportional to 816,778,944.35, 1,127,250,235.60 and 464,407,732.88

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Solution

The fourth proportional to 816,778,944.35, 1,127,250,235.60 and 464,407,732.88 is: 640,936,853.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,778,944.35 : 1,127,250,235.60 = 464,407,732.88 : x
  2. Step 2: Convert to fraction form
    816,778,944.35/1,127,250,235.60 = 464,407,732.88/x
  3. Step 3: Cross multiply
    816,778,944.35x = 1,127,250,235.60 × 464,407,732.88
  4. Step 4: Simplify right side
    816,778,944.35x = 523,503,726,296,644,608
  5. Step 5: Solve for x
    x = 523,503,726,296,644,608/816,778,944.35
  6. Step 6: Final answer
    x = 640,936,853.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.