Home / 2,189,137,254.10-3,020,972,072.56-1,185,546,666.65

Finding the Fourth Proportional to 2,189,137,254.10, 3,020,972,072.56 and 1,185,546,666.65

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Solution

The fourth proportional to 2,189,137,254.10, 3,020,972,072.56 and 1,185,546,666.65 is: 1,636,034,179.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,189,137,254.10 : 3,020,972,072.56 = 1,185,546,666.65 : x
  2. Step 2: Convert to fraction form
    2,189,137,254.10/3,020,972,072.56 = 1,185,546,666.65/x
  3. Step 3: Cross multiply
    2,189,137,254.10x = 3,020,972,072.56 × 1,185,546,666.65
  4. Step 4: Simplify right side
    2,189,137,254.10x = 3,581,503,370,652,769,792
  5. Step 5: Solve for x
    x = 3,581,503,370,652,769,792/2,189,137,254.10
  6. Step 6: Final answer
    x = 1,636,034,179.19

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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.