Home / 1,015,704,383.60-1,400,255,156.40-681,236,675.84

Finding the Fourth Proportional to 1,015,704,383.60, 1,400,255,156.40 and 681,236,675.84

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Solution

The fourth proportional to 1,015,704,383.60, 1,400,255,156.40 and 681,236,675.84 is: 939,156,297.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,704,383.60 : 1,400,255,156.40 = 681,236,675.84 : x
  2. Step 2: Convert to fraction form
    1,015,704,383.60/1,400,255,156.40 = 681,236,675.84/x
  3. Step 3: Cross multiply
    1,015,704,383.60x = 1,400,255,156.40 × 681,236,675.84
  4. Step 4: Simplify right side
    1,015,704,383.60x = 953,905,168,073,755,392
  5. Step 5: Solve for x
    x = 953,905,168,073,755,392/1,015,704,383.60
  6. Step 6: Final answer
    x = 939,156,297.32

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Double scale
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1.5x scale

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.