Home / 6,960,858,392.88-9,606,216,614.04-3,909,572,385.12

Finding the Fourth Proportional to 6,960,858,392.88, 9,606,216,614.04 and 3,909,572,385.12

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Solution

The fourth proportional to 6,960,858,392.88, 9,606,216,614.04 and 3,909,572,385.12 is: 5,395,340,212.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,960,858,392.88 : 9,606,216,614.04 = 3,909,572,385.12 : x
  2. Step 2: Convert to fraction form
    6,960,858,392.88/9,606,216,614.04 = 3,909,572,385.12/x
  3. Step 3: Cross multiply
    6,960,858,392.88x = 9,606,216,614.04 × 3,909,572,385.12
  4. Step 4: Simplify right side
    6,960,858,392.88x = 37,556,199,199,731,736,576
  5. Step 5: Solve for x
    x = 37,556,199,199,731,736,576/6,960,858,392.88
  6. Step 6: Final answer
    x = 5,395,340,212.37

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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.