Home / 872,889,593.73-1,204,570,564.58-476,415,425.85

Finding the Fourth Proportional to 872,889,593.73, 1,204,570,564.58 and 476,415,425.85

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Solution

The fourth proportional to 872,889,593.73, 1,204,570,564.58 and 476,415,425.85 is: 657,443,968.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,889,593.73 : 1,204,570,564.58 = 476,415,425.85 : x
  2. Step 2: Convert to fraction form
    872,889,593.73/1,204,570,564.58 = 476,415,425.85/x
  3. Step 3: Cross multiply
    872,889,593.73x = 1,204,570,564.58 × 476,415,425.85
  4. Step 4: Simplify right side
    872,889,593.73x = 573,875,998,491,946,688
  5. Step 5: Solve for x
    x = 573,875,998,491,946,688/872,889,593.73
  6. Step 6: Final answer
    x = 657,443,968.42

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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.