Home / 659,300,759.64-988,198,872.57-265,575,649.41

Finding the Fourth Proportional to 659,300,759.64, 988,198,872.57 and 265,575,649.41

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Solution

The fourth proportional to 659,300,759.64, 988,198,872.57 and 265,575,649.41 is: 398,060,450.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,300,759.64 : 988,198,872.57 = 265,575,649.41 : x
  2. Step 2: Convert to fraction form
    659,300,759.64/988,198,872.57 = 265,575,649.41/x
  3. Step 3: Cross multiply
    659,300,759.64x = 988,198,872.57 × 265,575,649.41
  4. Step 4: Simplify right side
    659,300,759.64x = 262,441,557,329,007,584
  5. Step 5: Solve for x
    x = 262,441,557,329,007,584/659,300,759.64
  6. Step 6: Final answer
    x = 398,060,450.40

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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.