Home / 7,238,711,747.70-10,858,067,621.55-5,126,552,637.30

Finding the Fourth Proportional to 7,238,711,747.70, 10,858,067,621.55 and 5,126,552,637.30

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Solution

The fourth proportional to 7,238,711,747.70, 10,858,067,621.55 and 5,126,552,637.30 is: 7,689,828,955.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,238,711,747.70 : 10,858,067,621.55 = 5,126,552,637.30 : x
  2. Step 2: Convert to fraction form
    7,238,711,747.70/10,858,067,621.55 = 5,126,552,637.30/x
  3. Step 3: Cross multiply
    7,238,711,747.70x = 10,858,067,621.55 × 5,126,552,637.30
  4. Step 4: Simplify right side
    7,238,711,747.70x = 55,664,455,201,238,892,544
  5. Step 5: Solve for x
    x = 55,664,455,201,238,892,544/7,238,711,747.70
  6. Step 6: Final answer
    x = 7,689,828,955.95

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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.