Home / 1,200,055,832,309.60-1,656,072,872,760.10-651,347,135,801.70

Finding the Fourth Proportional to 1,200,055,832,309.60, 1,656,072,872,760.10 and 651,347,135,801.70

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Solution

The fourth proportional to 1,200,055,832,309.60, 1,656,072,872,760.10 and 651,347,135,801.70 is: 898,856,780,917.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,055,832,309.60 : 1,656,072,872,760.10 = 651,347,135,801.70 : x
  2. Step 2: Convert to fraction form
    1,200,055,832,309.60/1,656,072,872,760.10 = 651,347,135,801.70/x
  3. Step 3: Cross multiply
    1,200,055,832,309.60x = 1,656,072,872,760.10 × 651,347,135,801.70
  4. Step 4: Simplify right side
    1,200,055,832,309.60x = 1,078,678,322,351,184,271,114,240
  5. Step 5: Solve for x
    x = 1,078,678,322,351,184,271,114,240/1,200,055,832,309.60
  6. Step 6: Final answer
    x = 898,856,780,917.59

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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.