Home / 1,556,674,721.62-2,148,211,047.72-851,826,761.26

Finding the Fourth Proportional to 1,556,674,721.62, 2,148,211,047.72 and 851,826,761.26

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Solution

The fourth proportional to 1,556,674,721.62, 2,148,211,047.72 and 851,826,761.26 is: 1,175,520,893.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556,674,721.62 : 2,148,211,047.72 = 851,826,761.26 : x
  2. Step 2: Convert to fraction form
    1,556,674,721.62/2,148,211,047.72 = 851,826,761.26/x
  3. Step 3: Cross multiply
    1,556,674,721.62x = 2,148,211,047.72 × 851,826,761.26
  4. Step 4: Simplify right side
    1,556,674,721.62x = 1,829,903,659,282,278,656
  5. Step 5: Solve for x
    x = 1,829,903,659,282,278,656/1,556,674,721.62
  6. Step 6: Final answer
    x = 1,175,520,893.27

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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.