Home / 418,699,543.98-628,117,538.01-123,624,491.56

Finding the Fourth Proportional to 418,699,543.98, 628,117,538.01 and 123,624,491.56

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Solution

The fourth proportional to 418,699,543.98, 628,117,538.01 and 123,624,491.56 is: 185,456,880.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,699,543.98 : 628,117,538.01 = 123,624,491.56 : x
  2. Step 2: Convert to fraction form
    418,699,543.98/628,117,538.01 = 123,624,491.56/x
  3. Step 3: Cross multiply
    418,699,543.98x = 628,117,538.01 × 123,624,491.56
  4. Step 4: Simplify right side
    418,699,543.98x = 77,650,711,276,405,232
  5. Step 5: Solve for x
    x = 77,650,711,276,405,232/418,699,543.98
  6. Step 6: Final answer
    x = 185,456,880.46

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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.