Home / 393,662,022.40-590,493,033.60-317,134,518.40

Finding the Fourth Proportional to 393,662,022.40, 590,493,033.60 and 317,134,518.40

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Solution

The fourth proportional to 393,662,022.40, 590,493,033.60 and 317,134,518.40 is: 475,701,777.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,662,022.40 : 590,493,033.60 = 317,134,518.40 : x
  2. Step 2: Convert to fraction form
    393,662,022.40/590,493,033.60 = 317,134,518.40/x
  3. Step 3: Cross multiply
    393,662,022.40x = 590,493,033.60 × 317,134,518.40
  4. Step 4: Simplify right side
    393,662,022.40x = 187,265,723,829,291,008
  5. Step 5: Solve for x
    x = 187,265,723,829,291,008/393,662,022.40
  6. Step 6: Final answer
    x = 475,701,777.60

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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.