Home / 533,358,147,693.30-736,032,387,893.60-289,487,615,912.03

Finding the Fourth Proportional to 533,358,147,693.30, 736,032,387,893.60 and 289,487,615,912.03

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Solution

The fourth proportional to 533,358,147,693.30, 736,032,387,893.60 and 289,487,615,912.03 is: 399,491,902,630.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,358,147,693.30 : 736,032,387,893.60 = 289,487,615,912.03 : x
  2. Step 2: Convert to fraction form
    533,358,147,693.30/736,032,387,893.60 = 289,487,615,912.03/x
  3. Step 3: Cross multiply
    533,358,147,693.30x = 736,032,387,893.60 × 289,487,615,912.03
  4. Step 4: Simplify right side
    533,358,147,693.30x = 213,072,261,205,356,787,531,776
  5. Step 5: Solve for x
    x = 213,072,261,205,356,787,531,776/533,358,147,693.30
  6. Step 6: Final answer
    x = 399,491,902,630.28

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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.