Home / 499,879,325.84-689,780,953.32-276,855,164.96

Finding the Fourth Proportional to 499,879,325.84, 689,780,953.32 and 276,855,164.96

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Solution

The fourth proportional to 499,879,325.84, 689,780,953.32 and 276,855,164.96 is: 382,031,041.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,879,325.84 : 689,780,953.32 = 276,855,164.96 : x
  2. Step 2: Convert to fraction form
    499,879,325.84/689,780,953.32 = 276,855,164.96/x
  3. Step 3: Cross multiply
    499,879,325.84x = 689,780,953.32 × 276,855,164.96
  4. Step 4: Simplify right side
    499,879,325.84x = 190,969,419,617,674,656
  5. Step 5: Solve for x
    x = 190,969,419,617,674,656/499,879,325.84
  6. Step 6: Final answer
    x = 382,031,041.79

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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.