Home / 4,901,067,785.70-7,351,601,678.55-1,220,573,140.20

Finding the Fourth Proportional to 4,901,067,785.70, 7,351,601,678.55 and 1,220,573,140.20

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Solution

The fourth proportional to 4,901,067,785.70, 7,351,601,678.55 and 1,220,573,140.20 is: 1,830,859,710.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,901,067,785.70 : 7,351,601,678.55 = 1,220,573,140.20 : x
  2. Step 2: Convert to fraction form
    4,901,067,785.70/7,351,601,678.55 = 1,220,573,140.20/x
  3. Step 3: Cross multiply
    4,901,067,785.70x = 7,351,601,678.55 × 1,220,573,140.20
  4. Step 4: Simplify right side
    4,901,067,785.70x = 8,973,167,546,287,365,120
  5. Step 5: Solve for x
    x = 8,973,167,546,287,365,120/4,901,067,785.70
  6. Step 6: Final answer
    x = 1,830,859,710.30

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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.