Home / 419,904,501.30-629,856,751.95-402,898,389.30

Finding the Fourth Proportional to 419,904,501.30, 629,856,751.95 and 402,898,389.30

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Solution

The fourth proportional to 419,904,501.30, 629,856,751.95 and 402,898,389.30 is: 604,347,583.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,904,501.30 : 629,856,751.95 = 402,898,389.30 : x
  2. Step 2: Convert to fraction form
    419,904,501.30/629,856,751.95 = 402,898,389.30/x
  3. Step 3: Cross multiply
    419,904,501.30x = 629,856,751.95 × 402,898,389.30
  4. Step 4: Simplify right side
    419,904,501.30x = 253,768,270,850,384,672
  5. Step 5: Solve for x
    x = 253,768,270,850,384,672/419,904,501.30
  6. Step 6: Final answer
    x = 604,347,583.95

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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.