Home / 340,829,928.60-511,244,892.90-260,208,360.60

Finding the Fourth Proportional to 340,829,928.60, 511,244,892.90 and 260,208,360.60

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Solution

The fourth proportional to 340,829,928.60, 511,244,892.90 and 260,208,360.60 is: 390,312,540.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,829,928.60 : 511,244,892.90 = 260,208,360.60 : x
  2. Step 2: Convert to fraction form
    340,829,928.60/511,244,892.90 = 260,208,360.60/x
  3. Step 3: Cross multiply
    340,829,928.60x = 511,244,892.90 × 260,208,360.60
  4. Step 4: Simplify right side
    340,829,928.60x = 133,030,195,446,631,568
  5. Step 5: Solve for x
    x = 133,030,195,446,631,568/340,829,928.60
  6. Step 6: Final answer
    x = 390,312,540.90

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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.