Home / 393,403,701.61-590,097,449.58-131,107,297.60

Finding the Fourth Proportional to 393,403,701.61, 590,097,449.58 and 131,107,297.60

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Solution

The fourth proportional to 393,403,701.61, 590,097,449.58 and 131,107,297.60 is: 196,658,246.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,403,701.61 : 590,097,449.58 = 131,107,297.60 : x
  2. Step 2: Convert to fraction form
    393,403,701.61/590,097,449.58 = 131,107,297.60/x
  3. Step 3: Cross multiply
    393,403,701.61x = 590,097,449.58 × 131,107,297.60
  4. Step 4: Simplify right side
    393,403,701.61x = 77,366,081,935,086,064
  5. Step 5: Solve for x
    x = 77,366,081,935,086,064/393,403,701.61
  6. Step 6: Final answer
    x = 196,658,246.02

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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.