Home / 469,695,343.15-648,140,982.77-257,991,232.96

Finding the Fourth Proportional to 469,695,343.15, 648,140,982.77 and 257,991,232.96

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Solution

The fourth proportional to 469,695,343.15, 648,140,982.77 and 257,991,232.96 is: 356,006,704.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,695,343.15 : 648,140,982.77 = 257,991,232.96 : x
  2. Step 2: Convert to fraction form
    469,695,343.15/648,140,982.77 = 257,991,232.96/x
  3. Step 3: Cross multiply
    469,695,343.15x = 648,140,982.77 × 257,991,232.96
  4. Step 4: Simplify right side
    469,695,343.15x = 167,214,691,276,738,432
  5. Step 5: Solve for x
    x = 167,214,691,276,738,432/469,695,343.15
  6. Step 6: Final answer
    x = 356,006,704.59

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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.