Home / 345,516,953.40-474,275,338.29-305,481,731.40

Finding the Fourth Proportional to 345,516,953.40, 474,275,338.29 and 305,481,731.40

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Solution

The fourth proportional to 345,516,953.40, 474,275,338.29 and 305,481,731.40 is: 419,320,817.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,516,953.40 : 474,275,338.29 = 305,481,731.40 : x
  2. Step 2: Convert to fraction form
    345,516,953.40/474,275,338.29 = 305,481,731.40/x
  3. Step 3: Cross multiply
    345,516,953.40x = 474,275,338.29 × 305,481,731.40
  4. Step 4: Simplify right side
    345,516,953.40x = 144,882,451,501,149,920
  5. Step 5: Solve for x
    x = 144,882,451,501,149,920/345,516,953.40
  6. Step 6: Final answer
    x = 419,320,817.91

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.