Home / 663,552,544.80-995,328,817.20-657,182,445.60

Finding the Fourth Proportional to 663,552,544.80, 995,328,817.20 and 657,182,445.60

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Solution

The fourth proportional to 663,552,544.80, 995,328,817.20 and 657,182,445.60 is: 985,773,668.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,552,544.80 : 995,328,817.20 = 657,182,445.60 : x
  2. Step 2: Convert to fraction form
    663,552,544.80/995,328,817.20 = 657,182,445.60/x
  3. Step 3: Cross multiply
    663,552,544.80x = 995,328,817.20 × 657,182,445.60
  4. Step 4: Simplify right side
    663,552,544.80x = 654,112,626,263,651,456
  5. Step 5: Solve for x
    x = 654,112,626,263,651,456/663,552,544.80
  6. Step 6: Final answer
    x = 985,773,668.40

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Double scale
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Similar ratio
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1.5x scale

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.