Home / 1,157,205,091.72-1,597,075,500.20-648,705,144.88

Finding the Fourth Proportional to 1,157,205,091.72, 1,597,075,500.20 and 648,705,144.88

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Solution

The fourth proportional to 1,157,205,091.72, 1,597,075,500.20 and 648,705,144.88 is: 895,287,361.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,157,205,091.72 : 1,597,075,500.20 = 648,705,144.88 : x
  2. Step 2: Convert to fraction form
    1,157,205,091.72/1,597,075,500.20 = 648,705,144.88/x
  3. Step 3: Cross multiply
    1,157,205,091.72x = 1,597,075,500.20 × 648,705,144.88
  4. Step 4: Simplify right side
    1,157,205,091.72x = 1,036,031,093,741,539,456
  5. Step 5: Solve for x
    x = 1,036,031,093,741,539,456/1,157,205,091.72
  6. Step 6: Final answer
    x = 895,287,361.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.