Home / 1,620,711,556.59-2,236,409,761.63-896,384,381.84

Finding the Fourth Proportional to 1,620,711,556.59, 2,236,409,761.63 and 896,384,381.84

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Solution

The fourth proportional to 1,620,711,556.59, 2,236,409,761.63 and 896,384,381.84 is: 1,236,915,213.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,620,711,556.59 : 2,236,409,761.63 = 896,384,381.84 : x
  2. Step 2: Convert to fraction form
    1,620,711,556.59/2,236,409,761.63 = 896,384,381.84/x
  3. Step 3: Cross multiply
    1,620,711,556.59x = 2,236,409,761.63 × 896,384,381.84
  4. Step 4: Simplify right side
    1,620,711,556.59x = 2,004,682,781,722,999,296
  5. Step 5: Solve for x
    x = 2,004,682,781,722,999,296/1,620,711,556.59
  6. Step 6: Final answer
    x = 1,236,915,213.92

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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.