Home / 659,342,899.60-989,014,349.40-168,055,219.60

Finding the Fourth Proportional to 659,342,899.60, 989,014,349.40 and 168,055,219.60

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Solution

The fourth proportional to 659,342,899.60, 989,014,349.40 and 168,055,219.60 is: 252,082,829.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,342,899.60 : 989,014,349.40 = 168,055,219.60 : x
  2. Step 2: Convert to fraction form
    659,342,899.60/989,014,349.40 = 168,055,219.60/x
  3. Step 3: Cross multiply
    659,342,899.60x = 989,014,349.40 × 168,055,219.60
  4. Step 4: Simplify right side
    659,342,899.60x = 166,209,023,675,968,128
  5. Step 5: Solve for x
    x = 166,209,023,675,968,128/659,342,899.60
  6. Step 6: Final answer
    x = 252,082,829.40

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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.