Home / 808,525,082.64-1,212,787,740.48-195,109,310.88

Finding the Fourth Proportional to 808,525,082.64, 1,212,787,740.48 and 195,109,310.88

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Solution

The fourth proportional to 808,525,082.64, 1,212,787,740.48 and 195,109,310.88 is: 292,663,994.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,525,082.64 : 1,212,787,740.48 = 195,109,310.88 : x
  2. Step 2: Convert to fraction form
    808,525,082.64/1,212,787,740.48 = 195,109,310.88/x
  3. Step 3: Cross multiply
    808,525,082.64x = 1,212,787,740.48 × 195,109,310.88
  4. Step 4: Simplify right side
    808,525,082.64x = 236,626,180,288,765,088
  5. Step 5: Solve for x
    x = 236,626,180,288,765,088/808,525,082.64
  6. Step 6: Final answer
    x = 292,663,994.44

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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.