Home / 6,987,960,350.64-10,487,146,435.92-5,127,413,829.60

Finding the Fourth Proportional to 6,987,960,350.64, 10,487,146,435.92 and 5,127,413,829.60

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Solution

The fourth proportional to 6,987,960,350.64, 10,487,146,435.92 and 5,127,413,829.60 is: 7,694,940,579.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,987,960,350.64 : 10,487,146,435.92 = 5,127,413,829.60 : x
  2. Step 2: Convert to fraction form
    6,987,960,350.64/10,487,146,435.92 = 5,127,413,829.60/x
  3. Step 3: Cross multiply
    6,987,960,350.64x = 10,487,146,435.92 × 5,127,413,829.60
  4. Step 4: Simplify right side
    6,987,960,350.64x = 53,771,939,668,576,559,104
  5. Step 5: Solve for x
    x = 53,771,939,668,576,559,104/6,987,960,350.64
  6. Step 6: Final answer
    x = 7,694,940,579.29

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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.