Home / 7,558,287,429.45-11,337,431,144.18-5,191,036,639.05

Finding the Fourth Proportional to 7,558,287,429.45, 11,337,431,144.18 and 5,191,036,639.05

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Solution

The fourth proportional to 7,558,287,429.45, 11,337,431,144.18 and 5,191,036,639.05 is: 7,786,554,958.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,558,287,429.45 : 11,337,431,144.18 = 5,191,036,639.05 : x
  2. Step 2: Convert to fraction form
    7,558,287,429.45/11,337,431,144.18 = 5,191,036,639.05/x
  3. Step 3: Cross multiply
    7,558,287,429.45x = 11,337,431,144.18 × 5,191,036,639.05
  4. Step 4: Simplify right side
    7,558,287,429.45x = 58,853,020,462,144,946,176
  5. Step 5: Solve for x
    x = 58,853,020,462,144,946,176/7,558,287,429.45
  6. Step 6: Final answer
    x = 7,786,554,958.58

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Double scale
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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.