Home / 463,237,881.73-639,108,461.72-296,071,991.30

Finding the Fourth Proportional to 463,237,881.73, 639,108,461.72 and 296,071,991.30

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Solution

The fourth proportional to 463,237,881.73, 639,108,461.72 and 296,071,991.30 is: 408,477,204.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,237,881.73 : 639,108,461.72 = 296,071,991.30 : x
  2. Step 2: Convert to fraction form
    463,237,881.73/639,108,461.72 = 296,071,991.30/x
  3. Step 3: Cross multiply
    463,237,881.73x = 639,108,461.72 × 296,071,991.30
  4. Step 4: Simplify right side
    463,237,881.73x = 189,222,114,920,458,176
  5. Step 5: Solve for x
    x = 189,222,114,920,458,176/463,237,881.73
  6. Step 6: Final answer
    x = 408,477,204.44

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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.