Home / 340,713,021.60-511,069,532.40-218,269,015.20

Finding the Fourth Proportional to 340,713,021.60, 511,069,532.40 and 218,269,015.20

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Solution

The fourth proportional to 340,713,021.60, 511,069,532.40 and 218,269,015.20 is: 327,403,522.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,713,021.60 : 511,069,532.40 = 218,269,015.20 : x
  2. Step 2: Convert to fraction form
    340,713,021.60/511,069,532.40 = 218,269,015.20/x
  3. Step 3: Cross multiply
    340,713,021.60x = 511,069,532.40 × 218,269,015.20
  4. Step 4: Simplify right side
    340,713,021.60x = 111,550,643,535,672,480
  5. Step 5: Solve for x
    x = 111,550,643,535,672,480/340,713,021.60
  6. Step 6: Final answer
    x = 327,403,522.80

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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.