Home / 718,622,087.74-1,078,414,631.55-252,284,896.87

Finding the Fourth Proportional to 718,622,087.74, 1,078,414,631.55 and 252,284,896.87

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Solution

The fourth proportional to 718,622,087.74, 1,078,414,631.55 and 252,284,896.87 is: 378,596,384.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,622,087.74 : 1,078,414,631.55 = 252,284,896.87 : x
  2. Step 2: Convert to fraction form
    718,622,087.74/1,078,414,631.55 = 252,284,896.87/x
  3. Step 3: Cross multiply
    718,622,087.74x = 1,078,414,631.55 × 252,284,896.87
  4. Step 4: Simplify right side
    718,622,087.74x = 272,067,724,100,994,752
  5. Step 5: Solve for x
    x = 272,067,724,100,994,752/718,622,087.74
  6. Step 6: Final answer
    x = 378,596,384.31

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1.5x scale

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.