Home / 1,380,647,032.08-2,070,978,290.28-460,520,844.72

Finding the Fourth Proportional to 1,380,647,032.08, 2,070,978,290.28 and 460,520,844.72

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Solution

The fourth proportional to 1,380,647,032.08, 2,070,978,290.28 and 460,520,844.72 is: 690,783,849.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,380,647,032.08 : 2,070,978,290.28 = 460,520,844.72 : x
  2. Step 2: Convert to fraction form
    1,380,647,032.08/2,070,978,290.28 = 460,520,844.72/x
  3. Step 3: Cross multiply
    1,380,647,032.08x = 2,070,978,290.28 × 460,520,844.72
  4. Step 4: Simplify right side
    1,380,647,032.08x = 953,728,671,636,526,976
  5. Step 5: Solve for x
    x = 953,728,671,636,526,976/1,380,647,032.08
  6. Step 6: Final answer
    x = 690,783,849.51

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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.