Home / 512,042,628.90-767,977,386.75-143,492,822.22

Finding the Fourth Proportional to 512,042,628.90, 767,977,386.75 and 143,492,822.22

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Solution

The fourth proportional to 512,042,628.90, 767,977,386.75 and 143,492,822.22 is: 215,214,977.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,042,628.90 : 767,977,386.75 = 143,492,822.22 : x
  2. Step 2: Convert to fraction form
    512,042,628.90/767,977,386.75 = 143,492,822.22/x
  3. Step 3: Cross multiply
    512,042,628.90x = 767,977,386.75 × 143,492,822.22
  4. Step 4: Simplify right side
    512,042,628.90x = 110,199,242,625,897,936
  5. Step 5: Solve for x
    x = 110,199,242,625,897,936/512,042,628.90
  6. Step 6: Final answer
    x = 215,214,977.05

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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.