Home / 419,905,110.90-629,857,666.35-290,476,701.30

Finding the Fourth Proportional to 419,905,110.90, 629,857,666.35 and 290,476,701.30

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Solution

The fourth proportional to 419,905,110.90, 629,857,666.35 and 290,476,701.30 is: 435,715,051.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,905,110.90 : 629,857,666.35 = 290,476,701.30 : x
  2. Step 2: Convert to fraction form
    419,905,110.90/629,857,666.35 = 290,476,701.30/x
  3. Step 3: Cross multiply
    419,905,110.90x = 629,857,666.35 × 290,476,701.30
  4. Step 4: Simplify right side
    419,905,110.90x = 182,958,977,209,864,032
  5. Step 5: Solve for x
    x = 182,958,977,209,864,032/419,905,110.90
  6. Step 6: Final answer
    x = 435,715,051.95

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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.