Home / 512,042,625.90-767,977,382.25-143,492,819.22

Finding the Fourth Proportional to 512,042,625.90, 767,977,382.25 and 143,492,819.22

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Solution

The fourth proportional to 512,042,625.90, 767,977,382.25 and 143,492,819.22 is: 215,214,972.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,042,625.90 : 767,977,382.25 = 143,492,819.22 : x
  2. Step 2: Convert to fraction form
    512,042,625.90/767,977,382.25 = 143,492,819.22/x
  3. Step 3: Cross multiply
    512,042,625.90x = 767,977,382.25 × 143,492,819.22
  4. Step 4: Simplify right side
    512,042,625.90x = 110,199,239,676,248,080
  5. Step 5: Solve for x
    x = 110,199,239,676,248,080/512,042,625.90
  6. Step 6: Final answer
    x = 215,214,972.55

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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.