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Finding the Fourth Proportional to 463,392,866.59, 639,301,930.43 and 262,403,602.65

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Solution

The fourth proportional to 463,392,866.59, 639,301,930.43 and 262,403,602.65 is: 362,014,916.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,392,866.59 : 639,301,930.43 = 262,403,602.65 : x
  2. Step 2: Convert to fraction form
    463,392,866.59/639,301,930.43 = 262,403,602.65/x
  3. Step 3: Cross multiply
    463,392,866.59x = 639,301,930.43 × 262,403,602.65
  4. Step 4: Simplify right side
    463,392,866.59x = 167,755,129,724,619,648
  5. Step 5: Solve for x
    x = 167,755,129,724,619,648/463,392,866.59
  6. Step 6: Final answer
    x = 362,014,916.11

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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.