Home / 825,866,511,108.98-1,139,644,433,578.10-455,049,177,744.02

Finding the Fourth Proportional to 825,866,511,108.98, 1,139,644,433,578.10 and 455,049,177,744.02

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Solution

The fourth proportional to 825,866,511,108.98, 1,139,644,433,578.10 and 455,049,177,744.02 is: 627,939,570,674.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,866,511,108.98 : 1,139,644,433,578.10 = 455,049,177,744.02 : x
  2. Step 2: Convert to fraction form
    825,866,511,108.98/1,139,644,433,578.10 = 455,049,177,744.02/x
  3. Step 3: Cross multiply
    825,866,511,108.98x = 1,139,644,433,578.10 × 455,049,177,744.02
  4. Step 4: Simplify right side
    825,866,511,108.98x = 518,594,262,420,263,876,427,776
  5. Step 5: Solve for x
    x = 518,594,262,420,263,876,427,776/825,866,511,108.98
  6. Step 6: Final answer
    x = 627,939,570,674.55

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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.