Home / 690,440,988.42-1,035,670,457.53-230,379,157.73

Finding the Fourth Proportional to 690,440,988.42, 1,035,670,457.53 and 230,379,157.73

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Solution

The fourth proportional to 690,440,988.42, 1,035,670,457.53 and 230,379,157.73 is: 345,571,731.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,440,988.42 : 1,035,670,457.53 = 230,379,157.73 : x
  2. Step 2: Convert to fraction form
    690,440,988.42/1,035,670,457.53 = 230,379,157.73/x
  3. Step 3: Cross multiply
    690,440,988.42x = 1,035,670,457.53 × 230,379,157.73
  4. Step 4: Simplify right side
    690,440,988.42x = 238,596,887,694,493,792
  5. Step 5: Solve for x
    x = 238,596,887,694,493,792/690,440,988.42
  6. Step 6: Final answer
    x = 345,571,731.25

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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.