Home / 2,364,207,788.40-3,546,311,682.60-640,921,772.40

Finding the Fourth Proportional to 2,364,207,788.40, 3,546,311,682.60 and 640,921,772.40

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Solution

The fourth proportional to 2,364,207,788.40, 3,546,311,682.60 and 640,921,772.40 is: 961,382,658.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,364,207,788.40 : 3,546,311,682.60 = 640,921,772.40 : x
  2. Step 2: Convert to fraction form
    2,364,207,788.40/3,546,311,682.60 = 640,921,772.40/x
  3. Step 3: Cross multiply
    2,364,207,788.40x = 3,546,311,682.60 × 640,921,772.40
  4. Step 4: Simplify right side
    2,364,207,788.40x = 2,272,908,369,094,818,048
  5. Step 5: Solve for x
    x = 2,272,908,369,094,818,048/2,364,207,788.40
  6. Step 6: Final answer
    x = 961,382,658.60

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Half scale
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Double scale
Find fourth proportional to 2,364,207,789.40, 3,546,311,684.10 and 640,921,773.40
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.