Home / 1,556,611,722.54-2,148,172,360.92-851,793,410.70

Finding the Fourth Proportional to 1,556,611,722.54, 2,148,172,360.92 and 851,793,410.70

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Solution

The fourth proportional to 1,556,611,722.54, 2,148,172,360.92 and 851,793,410.70 is: 1,175,501,273.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556,611,722.54 : 2,148,172,360.92 = 851,793,410.70 : x
  2. Step 2: Convert to fraction form
    1,556,611,722.54/2,148,172,360.92 = 851,793,410.70/x
  3. Step 3: Cross multiply
    1,556,611,722.54x = 2,148,172,360.92 × 851,793,410.70
  4. Step 4: Simplify right side
    1,556,611,722.54x = 1,829,799,062,079,518,464
  5. Step 5: Solve for x
    x = 1,829,799,062,079,518,464/1,556,611,722.54
  6. Step 6: Final answer
    x = 1,175,501,273.43

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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.