Home / 396,833,075.81-595,272,779.52-120,493,304.80

Finding the Fourth Proportional to 396,833,075.81, 595,272,779.52 and 120,493,304.80

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Solution

The fourth proportional to 396,833,075.81, 595,272,779.52 and 120,493,304.80 is: 180,746,991.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,833,075.81 : 595,272,779.52 = 120,493,304.80 : x
  2. Step 2: Convert to fraction form
    396,833,075.81/595,272,779.52 = 120,493,304.80/x
  3. Step 3: Cross multiply
    396,833,075.81x = 595,272,779.52 × 120,493,304.80
  4. Step 4: Simplify right side
    396,833,075.81x = 71,726,384,458,267,728
  5. Step 5: Solve for x
    x = 71,726,384,458,267,728/396,833,075.81
  6. Step 6: Final answer
    x = 180,746,991.19

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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.