Home / 340,160,317.20-510,240,475.80-231,321,200.40

Finding the Fourth Proportional to 340,160,317.20, 510,240,475.80 and 231,321,200.40

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Solution

The fourth proportional to 340,160,317.20, 510,240,475.80 and 231,321,200.40 is: 346,981,800.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,160,317.20 : 510,240,475.80 = 231,321,200.40 : x
  2. Step 2: Convert to fraction form
    340,160,317.20/510,240,475.80 = 231,321,200.40/x
  3. Step 3: Cross multiply
    340,160,317.20x = 510,240,475.80 × 231,321,200.40
  4. Step 4: Simplify right side
    340,160,317.20x = 118,029,439,354,723,152
  5. Step 5: Solve for x
    x = 118,029,439,354,723,152/340,160,317.20
  6. Step 6: Final answer
    x = 346,981,800.60

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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.