Home / 1,821,293,612.20-2,513,402,512.59-1,068,619,593.55

Finding the Fourth Proportional to 1,821,293,612.20, 2,513,402,512.59 and 1,068,619,593.55

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Solution

The fourth proportional to 1,821,293,612.20, 2,513,402,512.59 and 1,068,619,593.55 is: 1,474,705,205.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,821,293,612.20 : 2,513,402,512.59 = 1,068,619,593.55 : x
  2. Step 2: Convert to fraction form
    1,821,293,612.20/2,513,402,512.59 = 1,068,619,593.55/x
  3. Step 3: Cross multiply
    1,821,293,612.20x = 2,513,402,512.59 × 1,068,619,593.55
  4. Step 4: Simplify right side
    1,821,293,612.20x = 2,685,871,171,431,474,688
  5. Step 5: Solve for x
    x = 2,685,871,171,431,474,688/1,821,293,612.20
  6. Step 6: Final answer
    x = 1,474,705,205.93

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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.