Home / 975,171,790.85-1,345,670,820.88-535,166,986.37

Finding the Fourth Proportional to 975,171,790.85, 1,345,670,820.88 and 535,166,986.37

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Solution

The fourth proportional to 975,171,790.85, 1,345,670,820.88 and 535,166,986.37 is: 738,494,083.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    975,171,790.85 : 1,345,670,820.88 = 535,166,986.37 : x
  2. Step 2: Convert to fraction form
    975,171,790.85/1,345,670,820.88 = 535,166,986.37/x
  3. Step 3: Cross multiply
    975,171,790.85x = 1,345,670,820.88 × 535,166,986.37
  4. Step 4: Simplify right side
    975,171,790.85x = 720,158,597,848,327,424
  5. Step 5: Solve for x
    x = 720,158,597,848,327,424/975,171,790.85
  6. Step 6: Final answer
    x = 738,494,083.41

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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.