Home / 1,252,930,626.40-1,879,395,939.60-527,336,514.40

Finding the Fourth Proportional to 1,252,930,626.40, 1,879,395,939.60 and 527,336,514.40

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Solution

The fourth proportional to 1,252,930,626.40, 1,879,395,939.60 and 527,336,514.40 is: 791,004,771.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,930,626.40 : 1,879,395,939.60 = 527,336,514.40 : x
  2. Step 2: Convert to fraction form
    1,252,930,626.40/1,879,395,939.60 = 527,336,514.40/x
  3. Step 3: Cross multiply
    1,252,930,626.40x = 1,879,395,939.60 × 527,336,514.40
  4. Step 4: Simplify right side
    1,252,930,626.40x = 991,074,103,966,176,896
  5. Step 5: Solve for x
    x = 991,074,103,966,176,896/1,252,930,626.40
  6. Step 6: Final answer
    x = 791,004,771.60

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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.