Home / 348,033,536.40-521,453,107.80-165,888,512.40

Finding the Fourth Proportional to 348,033,536.40, 521,453,107.80 and 165,888,512.40

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Solution

The fourth proportional to 348,033,536.40, 521,453,107.80 and 165,888,512.40 is: 248,548,117.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,033,536.40 : 521,453,107.80 = 165,888,512.40 : x
  2. Step 2: Convert to fraction form
    348,033,536.40/521,453,107.80 = 165,888,512.40/x
  3. Step 3: Cross multiply
    348,033,536.40x = 521,453,107.80 × 165,888,512.40
  4. Step 4: Simplify right side
    348,033,536.40x = 86,503,080,339,298,848
  5. Step 5: Solve for x
    x = 86,503,080,339,298,848/348,033,536.40
  6. Step 6: Final answer
    x = 248,548,117.62

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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.