Home / 1,540,623,028.42-2,312,428,907.15-743,501,132.38

Finding the Fourth Proportional to 1,540,623,028.42, 2,312,428,907.15 and 743,501,132.38

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Solution

The fourth proportional to 1,540,623,028.42, 2,312,428,907.15 and 743,501,132.38 is: 1,115,972,875.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,540,623,028.42 : 2,312,428,907.15 = 743,501,132.38 : x
  2. Step 2: Convert to fraction form
    1,540,623,028.42/2,312,428,907.15 = 743,501,132.38/x
  3. Step 3: Cross multiply
    1,540,623,028.42x = 2,312,428,907.15 × 743,501,132.38
  4. Step 4: Simplify right side
    1,540,623,028.42x = 1,719,293,511,006,185,216
  5. Step 5: Solve for x
    x = 1,719,293,511,006,185,216/1,540,623,028.42
  6. Step 6: Final answer
    x = 1,115,972,875.44

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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.