Home / 659,343,400.60-989,015,100.90-168,055,720.60

Finding the Fourth Proportional to 659,343,400.60, 989,015,100.90 and 168,055,720.60

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Solution

The fourth proportional to 659,343,400.60, 989,015,100.90 and 168,055,720.60 is: 252,083,580.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,343,400.60 : 989,015,100.90 = 168,055,720.60 : x
  2. Step 2: Convert to fraction form
    659,343,400.60/989,015,100.90 = 168,055,720.60/x
  3. Step 3: Cross multiply
    659,343,400.60x = 989,015,100.90 × 168,055,720.60
  4. Step 4: Simplify right side
    659,343,400.60x = 166,209,645,466,031,200
  5. Step 5: Solve for x
    x = 166,209,645,466,031,200/659,343,400.60
  6. Step 6: Final answer
    x = 252,083,580.90

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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.