Home / 419,904,522.10-629,856,783.15-417,353,605.30

Finding the Fourth Proportional to 419,904,522.10, 629,856,783.15 and 417,353,605.30

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Solution

The fourth proportional to 419,904,522.10, 629,856,783.15 and 417,353,605.30 is: 626,030,407.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,904,522.10 : 629,856,783.15 = 417,353,605.30 : x
  2. Step 2: Convert to fraction form
    419,904,522.10/629,856,783.15 = 417,353,605.30/x
  3. Step 3: Cross multiply
    419,904,522.10x = 629,856,783.15 × 417,353,605.30
  4. Step 4: Simplify right side
    419,904,522.10x = 262,872,999,270,312,800
  5. Step 5: Solve for x
    x = 262,872,999,270,312,800/419,904,522.10
  6. Step 6: Final answer
    x = 626,030,407.95

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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.