Home / 20,913,709,331.25-31,370,544,829.62-6,555,521,042.28

Finding the Fourth Proportional to 20,913,709,331.25, 31,370,544,829.62 and 6,555,521,042.28

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Solution

The fourth proportional to 20,913,709,331.25, 31,370,544,829.62 and 6,555,521,042.28 is: 9,833,275,555.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,913,709,331.25 : 31,370,544,829.62 = 6,555,521,042.28 : x
  2. Step 2: Convert to fraction form
    20,913,709,331.25/31,370,544,829.62 = 6,555,521,042.28/x
  3. Step 3: Cross multiply
    20,913,709,331.25x = 31,370,544,829.62 × 6,555,521,042.28
  4. Step 4: Simplify right side
    20,913,709,331.25x = 205,650,266,738,361,958,400
  5. Step 5: Solve for x
    x = 205,650,266,738,361,958,400/20,913,709,331.25
  6. Step 6: Final answer
    x = 9,833,275,555.33

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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.