Home / 929,100,562.30-1,393,650,843.45-515,852,040.70

Finding the Fourth Proportional to 929,100,562.30, 1,393,650,843.45 and 515,852,040.70

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Solution

The fourth proportional to 929,100,562.30, 1,393,650,843.45 and 515,852,040.70 is: 773,778,061.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,100,562.30 : 1,393,650,843.45 = 515,852,040.70 : x
  2. Step 2: Convert to fraction form
    929,100,562.30/1,393,650,843.45 = 515,852,040.70/x
  3. Step 3: Cross multiply
    929,100,562.30x = 1,393,650,843.45 × 515,852,040.70
  4. Step 4: Simplify right side
    929,100,562.30x = 718,917,631,616,958,720
  5. Step 5: Solve for x
    x = 718,917,631,616,958,720/929,100,562.30
  6. Step 6: Final answer
    x = 773,778,061.05

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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.