Home / 436,764,005.20-655,146,007.80-403,507,608.40

Finding the Fourth Proportional to 436,764,005.20, 655,146,007.80 and 403,507,608.40

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Solution

The fourth proportional to 436,764,005.20, 655,146,007.80 and 403,507,608.40 is: 605,261,412.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,764,005.20 : 655,146,007.80 = 403,507,608.40 : x
  2. Step 2: Convert to fraction form
    436,764,005.20/655,146,007.80 = 403,507,608.40/x
  3. Step 3: Cross multiply
    436,764,005.20x = 655,146,007.80 × 403,507,608.40
  4. Step 4: Simplify right side
    436,764,005.20x = 264,356,398,760,185,696
  5. Step 5: Solve for x
    x = 264,356,398,760,185,696/436,764,005.20
  6. Step 6: Final answer
    x = 605,261,412.60

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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.