Home / 411,554,566.78-617,233,005.11-190,013,049.20

Finding the Fourth Proportional to 411,554,566.78, 617,233,005.11 and 190,013,049.20

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Solution

The fourth proportional to 411,554,566.78, 617,233,005.11 and 190,013,049.20 is: 284,973,937.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,554,566.78 : 617,233,005.11 = 190,013,049.20 : x
  2. Step 2: Convert to fraction form
    411,554,566.78/617,233,005.11 = 190,013,049.20/x
  3. Step 3: Cross multiply
    411,554,566.78x = 617,233,005.11 × 190,013,049.20
  4. Step 4: Simplify right side
    411,554,566.78x = 117,282,325,367,916,384
  5. Step 5: Solve for x
    x = 117,282,325,367,916,384/411,554,566.78
  6. Step 6: Final answer
    x = 284,973,937.44

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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.