Home / 659,342,887.60-989,014,331.40-168,055,207.60

Finding the Fourth Proportional to 659,342,887.60, 989,014,331.40 and 168,055,207.60

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Solution

The fourth proportional to 659,342,887.60, 989,014,331.40 and 168,055,207.60 is: 252,082,811.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,342,887.60 : 989,014,331.40 = 168,055,207.60 : x
  2. Step 2: Convert to fraction form
    659,342,887.60/989,014,331.40 = 168,055,207.60/x
  3. Step 3: Cross multiply
    659,342,887.60x = 989,014,331.40 × 168,055,207.60
  4. Step 4: Simplify right side
    659,342,887.60x = 166,209,008,782,802,176
  5. Step 5: Solve for x
    x = 166,209,008,782,802,176/659,342,887.60
  6. Step 6: Final answer
    x = 252,082,811.40

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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.