Home / 27,363,815,977.12-37,766,030,536.61-15,321,602,833.75

Finding the Fourth Proportional to 27,363,815,977.12, 37,766,030,536.61 and 15,321,602,833.75

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Solution

The fourth proportional to 27,363,815,977.12, 37,766,030,536.61 and 15,321,602,833.75 is: 21,146,031,714.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,363,815,977.12 : 37,766,030,536.61 = 15,321,602,833.75 : x
  2. Step 2: Convert to fraction form
    27,363,815,977.12/37,766,030,536.61 = 15,321,602,833.75/x
  3. Step 3: Cross multiply
    27,363,815,977.12x = 37,766,030,536.61 × 15,321,602,833.75
  4. Step 4: Simplify right side
    27,363,815,977.12x = 578,636,120,489,204,645,888
  5. Step 5: Solve for x
    x = 578,636,120,489,204,645,888/27,363,815,977.12
  6. Step 6: Final answer
    x = 21,146,031,714.77

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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.