Home / 1,230,274,690.32-1,697,596,436.64-747,215,265.84

Finding the Fourth Proportional to 1,230,274,690.32, 1,697,596,436.64 and 747,215,265.84

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Solution

The fourth proportional to 1,230,274,690.32, 1,697,596,436.64 and 747,215,265.84 is: 1,031,046,141.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,274,690.32 : 1,697,596,436.64 = 747,215,265.84 : x
  2. Step 2: Convert to fraction form
    1,230,274,690.32/1,697,596,436.64 = 747,215,265.84/x
  3. Step 3: Cross multiply
    1,230,274,690.32x = 1,697,596,436.64 × 747,215,265.84
  4. Step 4: Simplify right side
    1,230,274,690.32x = 1,268,469,972,692,994,560
  5. Step 5: Solve for x
    x = 1,268,469,972,692,994,560/1,230,274,690.32
  6. Step 6: Final answer
    x = 1,031,046,141.71

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Double scale
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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.