Home / 690,835,795.99-1,036,719,956.51-270,605,043.15

Finding the Fourth Proportional to 690,835,795.99, 1,036,719,956.51 and 270,605,043.15

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Solution

The fourth proportional to 690,835,795.99, 1,036,719,956.51 and 270,605,043.15 is: 406,090,202.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,835,795.99 : 1,036,719,956.51 = 270,605,043.15 : x
  2. Step 2: Convert to fraction form
    690,835,795.99/1,036,719,956.51 = 270,605,043.15/x
  3. Step 3: Cross multiply
    690,835,795.99x = 1,036,719,956.51 × 270,605,043.15
  4. Step 4: Simplify right side
    690,835,795.99x = 280,541,648,567,451,936
  5. Step 5: Solve for x
    x = 280,541,648,567,451,936/690,835,795.99
  6. Step 6: Final answer
    x = 406,090,202.91

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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.