Home / 512,032,418-706,379,563.14-300,231,139.40

Finding the Fourth Proportional to 512,032,418, 706,379,563.14 and 300,231,139.40

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Solution

The fourth proportional to 512,032,418, 706,379,563.14 and 300,231,139.40 is: 414,186,941.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,032,418 : 706,379,563.14 = 300,231,139.40 : x
  2. Step 2: Convert to fraction form
    512,032,418/706,379,563.14 = 300,231,139.40/x
  3. Step 3: Cross multiply
    512,032,418x = 706,379,563.14 × 300,231,139.40
  4. Step 4: Simplify right side
    512,032,418x = 212,077,141,090,396,416
  5. Step 5: Solve for x
    x = 212,077,141,090,396,416/512,032,418
  6. Step 6: Final answer
    x = 414,186,941.36

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.