Home / 541,977,674.72-747,929,190.02-307,028,334.89

Finding the Fourth Proportional to 541,977,674.72, 747,929,190.02 and 307,028,334.89

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Solution

The fourth proportional to 541,977,674.72, 747,929,190.02 and 307,028,334.89 is: 423,699,101.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,977,674.72 : 747,929,190.02 = 307,028,334.89 : x
  2. Step 2: Convert to fraction form
    541,977,674.72/747,929,190.02 = 307,028,334.89/x
  3. Step 3: Cross multiply
    541,977,674.72x = 747,929,190.02 × 307,028,334.89
  4. Step 4: Simplify right side
    541,977,674.72x = 229,635,453,822,192,192
  5. Step 5: Solve for x
    x = 229,635,453,822,192,192/541,977,674.72
  6. Step 6: Final answer
    x = 423,699,101.52

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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.