Home / 512,032,417-706,379,561.76-300,231,138.40

Finding the Fourth Proportional to 512,032,417, 706,379,561.76 and 300,231,138.40

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Solution

The fourth proportional to 512,032,417, 706,379,561.76 and 300,231,138.40 is: 414,186,939.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,032,417 : 706,379,561.76 = 300,231,138.40 : x
  2. Step 2: Convert to fraction form
    512,032,417/706,379,561.76 = 300,231,138.40/x
  3. Step 3: Cross multiply
    512,032,417x = 706,379,561.76 × 300,231,138.40
  4. Step 4: Simplify right side
    512,032,417x = 212,077,139,969,697,888
  5. Step 5: Solve for x
    x = 212,077,139,969,697,888/512,032,417
  6. Step 6: Final answer
    x = 414,186,939.98

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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.