Home / 1,091,289,381.95-1,636,910,438.34-304,322,036.78

Finding the Fourth Proportional to 1,091,289,381.95, 1,636,910,438.34 and 304,322,036.78

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Solution

The fourth proportional to 1,091,289,381.95, 1,636,910,438.34 and 304,322,036.78 is: 456,476,464.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,289,381.95 : 1,636,910,438.34 = 304,322,036.78 : x
  2. Step 2: Convert to fraction form
    1,091,289,381.95/1,636,910,438.34 = 304,322,036.78/x
  3. Step 3: Cross multiply
    1,091,289,381.95x = 1,636,910,438.34 × 304,322,036.78
  4. Step 4: Simplify right side
    1,091,289,381.95x = 498,147,918,622,071,360
  5. Step 5: Solve for x
    x = 498,147,918,622,071,360/1,091,289,381.95
  6. Step 6: Final answer
    x = 456,476,464.32

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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.