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Finding the Fourth Proportional to 541,977,673.72, 747,929,188.64 and 307,028,333.88

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Solution

The fourth proportional to 541,977,673.72, 747,929,188.64 and 307,028,333.88 is: 423,699,100.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,977,673.72 : 747,929,188.64 = 307,028,333.88 : x
  2. Step 2: Convert to fraction form
    541,977,673.72/747,929,188.64 = 307,028,333.88/x
  3. Step 3: Cross multiply
    541,977,673.72x = 747,929,188.64 × 307,028,333.88
  4. Step 4: Simplify right side
    541,977,673.72x = 229,635,452,648,359,424
  5. Step 5: Solve for x
    x = 229,635,452,648,359,424/541,977,673.72
  6. Step 6: Final answer
    x = 423,699,100.13

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.