Home / 1,200,055,832,308.80-1,656,072,872,759.10-651,347,135,800.93

Finding the Fourth Proportional to 1,200,055,832,308.80, 1,656,072,872,759.10 and 651,347,135,800.93

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Solution

The fourth proportional to 1,200,055,832,308.80, 1,656,072,872,759.10 and 651,347,135,800.93 is: 898,856,780,916.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,055,832,308.80 : 1,656,072,872,759.10 = 651,347,135,800.93 : x
  2. Step 2: Convert to fraction form
    1,200,055,832,308.80/1,656,072,872,759.10 = 651,347,135,800.93/x
  3. Step 3: Cross multiply
    1,200,055,832,308.80x = 1,656,072,872,759.10 × 651,347,135,800.93
  4. Step 4: Simplify right side
    1,200,055,832,308.80x = 1,078,678,322,349,257,978,281,984
  5. Step 5: Solve for x
    x = 1,078,678,322,349,257,978,281,984/1,200,055,832,308.80
  6. Step 6: Final answer
    x = 898,856,780,916.58

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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.