Home / 876,701,061.72-1,315,112,945.26-352,070,078.44

Finding the Fourth Proportional to 876,701,061.72, 1,315,112,945.26 and 352,070,078.44

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Solution

The fourth proportional to 876,701,061.72, 1,315,112,945.26 and 352,070,078.44 is: 528,129,755.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,701,061.72 : 1,315,112,945.26 = 352,070,078.44 : x
  2. Step 2: Convert to fraction form
    876,701,061.72/1,315,112,945.26 = 352,070,078.44/x
  3. Step 3: Cross multiply
    876,701,061.72x = 1,315,112,945.26 × 352,070,078.44
  4. Step 4: Simplify right side
    876,701,061.72x = 463,011,917,795,147,648
  5. Step 5: Solve for x
    x = 463,011,917,795,147,648/876,701,061.72
  6. Step 6: Final answer
    x = 528,129,755.98

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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.