Home / 745,199,199.40-1,028,344,954.62-406,100,474.15

Finding the Fourth Proportional to 745,199,199.40, 1,028,344,954.62 and 406,100,474.15

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Solution

The fourth proportional to 745,199,199.40, 1,028,344,954.62 and 406,100,474.15 is: 560,402,338.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,199,199.40 : 1,028,344,954.62 = 406,100,474.15 : x
  2. Step 2: Convert to fraction form
    745,199,199.40/1,028,344,954.62 = 406,100,474.15/x
  3. Step 3: Cross multiply
    745,199,199.40x = 1,028,344,954.62 × 406,100,474.15
  4. Step 4: Simplify right side
    745,199,199.40x = 417,611,373,665,015,680
  5. Step 5: Solve for x
    x = 417,611,373,665,015,680/745,199,199.40
  6. Step 6: Final answer
    x = 560,402,338.06

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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.