Home / 418,297,723.70-626,234,927.70-315,101,541.56

Finding the Fourth Proportional to 418,297,723.70, 626,234,927.70 and 315,101,541.56

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Solution

The fourth proportional to 418,297,723.70, 626,234,927.70 and 315,101,541.56 is: 471,739,576.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,297,723.70 : 626,234,927.70 = 315,101,541.56 : x
  2. Step 2: Convert to fraction form
    418,297,723.70/626,234,927.70 = 315,101,541.56/x
  3. Step 3: Cross multiply
    418,297,723.70x = 626,234,927.70 × 315,101,541.56
  4. Step 4: Simplify right side
    418,297,723.70x = 197,327,591,095,035,616
  5. Step 5: Solve for x
    x = 197,327,591,095,035,616/418,297,723.70
  6. Step 6: Final answer
    x = 471,739,576.66

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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.