Home / 1,296,380,354.32-1,944,657,049.20-455,922,261.28

Finding the Fourth Proportional to 1,296,380,354.32, 1,944,657,049.20 and 455,922,261.28

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Solution

The fourth proportional to 1,296,380,354.32, 1,944,657,049.20 and 455,922,261.28 is: 683,913,819.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,380,354.32 : 1,944,657,049.20 = 455,922,261.28 : x
  2. Step 2: Convert to fraction form
    1,296,380,354.32/1,944,657,049.20 = 455,922,261.28/x
  3. Step 3: Cross multiply
    1,296,380,354.32x = 1,944,657,049.20 × 455,922,261.28
  4. Step 4: Simplify right side
    1,296,380,354.32x = 886,612,439,285,356,160
  5. Step 5: Solve for x
    x = 886,612,439,285,356,160/1,296,380,354.32
  6. Step 6: Final answer
    x = 683,913,819.22

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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.