Home / 340,138,866.43-469,406,500.32-191,469,580.75

Finding the Fourth Proportional to 340,138,866.43, 469,406,500.32 and 191,469,580.75

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Solution

The fourth proportional to 340,138,866.43, 469,406,500.32 and 191,469,580.75 is: 264,236,388.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,138,866.43 : 469,406,500.32 = 191,469,580.75 : x
  2. Step 2: Convert to fraction form
    340,138,866.43/469,406,500.32 = 191,469,580.75/x
  3. Step 3: Cross multiply
    340,138,866.43x = 469,406,500.32 × 191,469,580.75
  4. Step 4: Simplify right side
    340,138,866.43x = 89,877,065,817,595,136
  5. Step 5: Solve for x
    x = 89,877,065,817,595,136/340,138,866.43
  6. Step 6: Final answer
    x = 264,236,388.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.