Home / 1,521,966,941.52-2,100,325,128.84-826,605,917.52

Finding the Fourth Proportional to 1,521,966,941.52, 2,100,325,128.84 and 826,605,917.52

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Solution

The fourth proportional to 1,521,966,941.52, 2,100,325,128.84 and 826,605,917.52 is: 1,140,722,004.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,521,966,941.52 : 2,100,325,128.84 = 826,605,917.52 : x
  2. Step 2: Convert to fraction form
    1,521,966,941.52/2,100,325,128.84 = 826,605,917.52/x
  3. Step 3: Cross multiply
    1,521,966,941.52x = 2,100,325,128.84 × 826,605,917.52
  4. Step 4: Simplify right side
    1,521,966,941.52x = 1,736,141,180,215,100,416
  5. Step 5: Solve for x
    x = 1,736,141,180,215,100,416/1,521,966,941.52
  6. Step 6: Final answer
    x = 1,140,722,004.44

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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.