Home / 659,343,372.60-989,015,058.90-168,055,692.60

Finding the Fourth Proportional to 659,343,372.60, 989,015,058.90 and 168,055,692.60

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Solution

The fourth proportional to 659,343,372.60, 989,015,058.90 and 168,055,692.60 is: 252,083,538.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,343,372.60 : 989,015,058.90 = 168,055,692.60 : x
  2. Step 2: Convert to fraction form
    659,343,372.60/989,015,058.90 = 168,055,692.60/x
  3. Step 3: Cross multiply
    659,343,372.60x = 989,015,058.90 × 168,055,692.60
  4. Step 4: Simplify right side
    659,343,372.60x = 166,209,610,715,269,280
  5. Step 5: Solve for x
    x = 166,209,610,715,269,280/659,343,372.60
  6. Step 6: Final answer
    x = 252,083,538.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.