Home / 411,273,824.79-617,012,842.76-204,109,462.47

Finding the Fourth Proportional to 411,273,824.79, 617,012,842.76 and 204,109,462.47

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Solution

The fourth proportional to 411,273,824.79, 617,012,842.76 and 204,109,462.47 is: 306,214,867.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,273,824.79 : 617,012,842.76 = 204,109,462.47 : x
  2. Step 2: Convert to fraction form
    411,273,824.79/617,012,842.76 = 204,109,462.47/x
  3. Step 3: Cross multiply
    411,273,824.79x = 617,012,842.76 × 204,109,462.47
  4. Step 4: Simplify right side
    411,273,824.79x = 125,938,159,672,830,224
  5. Step 5: Solve for x
    x = 125,938,159,672,830,224/411,273,824.79
  6. Step 6: Final answer
    x = 306,214,867.28

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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.