Home / 9,790,785,643.20-14,686,178,464.80-7,855,868,011.20

Finding the Fourth Proportional to 9,790,785,643.20, 14,686,178,464.80 and 7,855,868,011.20

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Solution

The fourth proportional to 9,790,785,643.20, 14,686,178,464.80 and 7,855,868,011.20 is: 11,783,802,016.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,790,785,643.20 : 14,686,178,464.80 = 7,855,868,011.20 : x
  2. Step 2: Convert to fraction form
    9,790,785,643.20/14,686,178,464.80 = 7,855,868,011.20/x
  3. Step 3: Cross multiply
    9,790,785,643.20x = 14,686,178,464.80 × 7,855,868,011.20
  4. Step 4: Simplify right side
    9,790,785,643.20x = 115,372,679,608,396,644,352
  5. Step 5: Solve for x
    x = 115,372,679,608,396,644,352/9,790,785,643.20
  6. Step 6: Final answer
    x = 11,783,802,016.80

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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.