Home / 420,241,391.02-629,860,574.85-195,590,786.14

Finding the Fourth Proportional to 420,241,391.02, 629,860,574.85 and 195,590,786.14

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Solution

The fourth proportional to 420,241,391.02, 629,860,574.85 and 195,590,786.14 is: 293,152,763.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,241,391.02 : 629,860,574.85 = 195,590,786.14 : x
  2. Step 2: Convert to fraction form
    420,241,391.02/629,860,574.85 = 195,590,786.14/x
  3. Step 3: Cross multiply
    420,241,391.02x = 629,860,574.85 × 195,590,786.14
  4. Step 4: Simplify right side
    420,241,391.02x = 123,194,924,993,503,808
  5. Step 5: Solve for x
    x = 123,194,924,993,503,808/420,241,391.02
  6. Step 6: Final answer
    x = 293,152,763.21

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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.