Home / 7,051,004,642.80-9,730,385,962.36-3,879,120,513.20

Finding the Fourth Proportional to 7,051,004,642.80, 9,730,385,962.36 and 3,879,120,513.20

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Solution

The fourth proportional to 7,051,004,642.80, 9,730,385,962.36 and 3,879,120,513.20 is: 5,353,186,063.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,051,004,642.80 : 9,730,385,962.36 = 3,879,120,513.20 : x
  2. Step 2: Convert to fraction form
    7,051,004,642.80/9,730,385,962.36 = 3,879,120,513.20/x
  3. Step 3: Cross multiply
    7,051,004,642.80x = 9,730,385,962.36 × 3,879,120,513.20
  4. Step 4: Simplify right side
    7,051,004,642.80x = 37,745,339,787,944,001,536
  5. Step 5: Solve for x
    x = 37,745,339,787,944,001,536/7,051,004,642.80
  6. Step 6: Final answer
    x = 5,353,186,063.56

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.