Home / 440,926,753.08-661,391,912.76-178,616,264.58

Finding the Fourth Proportional to 440,926,753.08, 661,391,912.76 and 178,616,264.58

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Solution

The fourth proportional to 440,926,753.08, 661,391,912.76 and 178,616,264.58 is: 267,925,119.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,926,753.08 : 661,391,912.76 = 178,616,264.58 : x
  2. Step 2: Convert to fraction form
    440,926,753.08/661,391,912.76 = 178,616,264.58/x
  3. Step 3: Cross multiply
    440,926,753.08x = 661,391,912.76 × 178,616,264.58
  4. Step 4: Simplify right side
    440,926,753.08x = 118,135,352,880,612,448
  5. Step 5: Solve for x
    x = 118,135,352,880,612,448/440,926,753.08
  6. Step 6: Final answer
    x = 267,925,119.21

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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.