Home / 331,317,200.40-496,975,800.60-329,301,661.20

Finding the Fourth Proportional to 331,317,200.40, 496,975,800.60 and 329,301,661.20

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Solution

The fourth proportional to 331,317,200.40, 496,975,800.60 and 329,301,661.20 is: 493,952,491.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,317,200.40 : 496,975,800.60 = 329,301,661.20 : x
  2. Step 2: Convert to fraction form
    331,317,200.40/496,975,800.60 = 329,301,661.20/x
  3. Step 3: Cross multiply
    331,317,200.40x = 496,975,800.60 × 329,301,661.20
  4. Step 4: Simplify right side
    331,317,200.40x = 163,654,956,713,779,968
  5. Step 5: Solve for x
    x = 163,654,956,713,779,968/331,317,200.40
  6. Step 6: Final answer
    x = 493,952,491.80

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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.