Home / 1,628,693,640.10-2,443,040,460.15-852,039,201.70

Finding the Fourth Proportional to 1,628,693,640.10, 2,443,040,460.15 and 852,039,201.70

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Solution

The fourth proportional to 1,628,693,640.10, 2,443,040,460.15 and 852,039,201.70 is: 1,278,058,802.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,628,693,640.10 : 2,443,040,460.15 = 852,039,201.70 : x
  2. Step 2: Convert to fraction form
    1,628,693,640.10/2,443,040,460.15 = 852,039,201.70/x
  3. Step 3: Cross multiply
    1,628,693,640.10x = 2,443,040,460.15 × 852,039,201.70
  4. Step 4: Simplify right side
    1,628,693,640.10x = 2,081,566,243,387,006,976
  5. Step 5: Solve for x
    x = 2,081,566,243,387,006,976/1,628,693,640.10
  6. Step 6: Final answer
    x = 1,278,058,802.55

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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.