Home / 1,116,830,081.70-1,675,245,122.55-298,942,382.70

Finding the Fourth Proportional to 1,116,830,081.70, 1,675,245,122.55 and 298,942,382.70

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Solution

The fourth proportional to 1,116,830,081.70, 1,675,245,122.55 and 298,942,382.70 is: 448,413,574.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116,830,081.70 : 1,675,245,122.55 = 298,942,382.70 : x
  2. Step 2: Convert to fraction form
    1,116,830,081.70/1,675,245,122.55 = 298,942,382.70/x
  3. Step 3: Cross multiply
    1,116,830,081.70x = 1,675,245,122.55 × 298,942,382.70
  4. Step 4: Simplify right side
    1,116,830,081.70x = 500,801,768,541,650,496
  5. Step 5: Solve for x
    x = 500,801,768,541,650,496/1,116,830,081.70
  6. Step 6: Final answer
    x = 448,413,574.05

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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.