Home / 449,590,520.66-674,432,035.64-169,707,185.29

Finding the Fourth Proportional to 449,590,520.66, 674,432,035.64 and 169,707,185.29

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Solution

The fourth proportional to 449,590,520.66, 674,432,035.64 and 169,707,185.29 is: 254,578,237.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,590,520.66 : 674,432,035.64 = 169,707,185.29 : x
  2. Step 2: Convert to fraction form
    449,590,520.66/674,432,035.64 = 169,707,185.29/x
  3. Step 3: Cross multiply
    449,590,520.66x = 674,432,035.64 × 169,707,185.29
  4. Step 4: Simplify right side
    449,590,520.66x = 114,455,962,437,869,360
  5. Step 5: Solve for x
    x = 114,455,962,437,869,360/449,590,520.66
  6. Step 6: Final answer
    x = 254,578,237.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.