Home / 825,857,075.51-1,238,752,017.15-204,056,648.38

Finding the Fourth Proportional to 825,857,075.51, 1,238,752,017.15 and 204,056,648.38

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Solution

The fourth proportional to 825,857,075.51, 1,238,752,017.15 and 204,056,648.38 is: 306,076,671.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,857,075.51 : 1,238,752,017.15 = 204,056,648.38 : x
  2. Step 2: Convert to fraction form
    825,857,075.51/1,238,752,017.15 = 204,056,648.38/x
  3. Step 3: Cross multiply
    825,857,075.51x = 1,238,752,017.15 × 204,056,648.38
  4. Step 4: Simplify right side
    825,857,075.51x = 252,775,584,796,113,184
  5. Step 5: Solve for x
    x = 252,775,584,796,113,184/825,857,075.51
  6. Step 6: Final answer
    x = 306,076,671.49

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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.