Home / 639,865,798.04-882,764,804.58-371,897,105.24

Finding the Fourth Proportional to 639,865,798.04, 882,764,804.58 and 371,897,105.24

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Solution

The fourth proportional to 639,865,798.04, 882,764,804.58 and 371,897,105.24 is: 513,072,704.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,865,798.04 : 882,764,804.58 = 371,897,105.24 : x
  2. Step 2: Convert to fraction form
    639,865,798.04/882,764,804.58 = 371,897,105.24/x
  3. Step 3: Cross multiply
    639,865,798.04x = 882,764,804.58 × 371,897,105.24
  4. Step 4: Simplify right side
    639,865,798.04x = 328,297,675,431,056,320
  5. Step 5: Solve for x
    x = 328,297,675,431,056,320/639,865,798.04
  6. Step 6: Final answer
    x = 513,072,704.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.