Home / 411,273,823.79-617,012,841.26-204,109,461.47

Finding the Fourth Proportional to 411,273,823.79, 617,012,841.26 and 204,109,461.47

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Solution

The fourth proportional to 411,273,823.79, 617,012,841.26 and 204,109,461.47 is: 306,214,865.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,273,823.79 : 617,012,841.26 = 204,109,461.47 : x
  2. Step 2: Convert to fraction form
    411,273,823.79/617,012,841.26 = 204,109,461.47/x
  3. Step 3: Cross multiply
    411,273,823.79x = 617,012,841.26 × 204,109,461.47
  4. Step 4: Simplify right side
    411,273,823.79x = 125,938,158,750,175,184
  5. Step 5: Solve for x
    x = 125,938,158,750,175,184/411,273,823.79
  6. Step 6: Final answer
    x = 306,214,865.78

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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.