Home / 1,304,733,946.11-1,800,533,138.77-718,023,082.11

Finding the Fourth Proportional to 1,304,733,946.11, 1,800,533,138.77 and 718,023,082.11

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Solution

The fourth proportional to 1,304,733,946.11, 1,800,533,138.77 and 718,023,082.11 is: 990,872,014.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,304,733,946.11 : 1,800,533,138.77 = 718,023,082.11 : x
  2. Step 2: Convert to fraction form
    1,304,733,946.11/1,800,533,138.77 = 718,023,082.11/x
  3. Step 3: Cross multiply
    1,304,733,946.11x = 1,800,533,138.77 × 718,023,082.11
  4. Step 4: Simplify right side
    1,304,733,946.11x = 1,292,824,353,741,107,456
  5. Step 5: Solve for x
    x = 1,292,824,353,741,107,456/1,304,733,946.11
  6. Step 6: Final answer
    x = 990,872,014.63

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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.