Home / 1,117,750,843.60-1,676,626,265.40-505,530,811.60

Finding the Fourth Proportional to 1,117,750,843.60, 1,676,626,265.40 and 505,530,811.60

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Solution

The fourth proportional to 1,117,750,843.60, 1,676,626,265.40 and 505,530,811.60 is: 758,296,217.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,750,843.60 : 1,676,626,265.40 = 505,530,811.60 : x
  2. Step 2: Convert to fraction form
    1,117,750,843.60/1,676,626,265.40 = 505,530,811.60/x
  3. Step 3: Cross multiply
    1,117,750,843.60x = 1,676,626,265.40 × 505,530,811.60
  4. Step 4: Simplify right side
    1,117,750,843.60x = 847,586,236,697,539,072
  5. Step 5: Solve for x
    x = 847,586,236,697,539,072/1,117,750,843.60
  6. Step 6: Final answer
    x = 758,296,217.40

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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.