Home / 872,889,359.86-1,204,570,241.92-476,415,191.44

Finding the Fourth Proportional to 872,889,359.86, 1,204,570,241.92 and 476,415,191.44

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Solution

The fourth proportional to 872,889,359.86, 1,204,570,241.92 and 476,415,191.44 is: 657,443,644.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,889,359.86 : 1,204,570,241.92 = 476,415,191.44 : x
  2. Step 2: Convert to fraction form
    872,889,359.86/1,204,570,241.92 = 476,415,191.44/x
  3. Step 3: Cross multiply
    872,889,359.86x = 1,204,570,241.92 × 476,415,191.44
  4. Step 4: Simplify right side
    872,889,359.86x = 573,875,562,407,243,968
  5. Step 5: Solve for x
    x = 573,875,562,407,243,968/872,889,359.86
  6. Step 6: Final answer
    x = 657,443,644.98

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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.