Home / 659,343,318.60-989,014,977.90-168,055,638.60

Finding the Fourth Proportional to 659,343,318.60, 989,014,977.90 and 168,055,638.60

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Solution

The fourth proportional to 659,343,318.60, 989,014,977.90 and 168,055,638.60 is: 252,083,457.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,343,318.60 : 989,014,977.90 = 168,055,638.60 : x
  2. Step 2: Convert to fraction form
    659,343,318.60/989,014,977.90 = 168,055,638.60/x
  3. Step 3: Cross multiply
    659,343,318.60x = 989,014,977.90 × 168,055,638.60
  4. Step 4: Simplify right side
    659,343,318.60x = 166,209,543,695,949,376
  5. Step 5: Solve for x
    x = 166,209,543,695,949,376/659,343,318.60
  6. Step 6: Final answer
    x = 252,083,457.90

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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.